397896408

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:719

約数の個数: 256

約数和(自身を含む): 1406361600

約数和(自身を除く): 1008465192

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 31, 36, 39, 42, 52, 54, 56, 62, 63, 72, 78, 84, 91, 93, 104, 108, 117, 124, 126, 156, 168, 182, 186, 189, 216, 217, 234, 248, 252, 273, 279, 312, 351, 364, 372, 378, 403, 434, 468, 504, 546, 558, 651, 653, 702, 728, 744, 756, 806, 819, 837, 868, 936, 1092, 1116, 1209, 1302, 1306, 1404, 1512, 1612, 1638, 1674, 1736, 1953, 1959, 2184, 2232, 2418, 2457, 2604, 2612, 2808, 2821, 3224, 3276, 3348, 3627, 3906, 3918, 4571, 4836, 4914, 5208, 5224, 5642, 5859, 5877, 6552, 6696, 7254, 7812, 7836, 8463, 8489, 9142, 9672, 9828, 10881, 11284, 11718, 11754, 13713, 14508, 15624, 15672, 16926, 16978, 17631, 18284, 19656, 20243, 21762, 22568, 23436, 23508, 25389, 25467, 27426, 29016, 33852, 33956, 35262, 36568, 40486, 41139, 43524, 46872, 47016, 50778, 50934, 54852, 59423, 60729, 67704, 67912, 70524, 76167, 76401, 80972, 82278, 87048, 101556, 101868, 109704, 118846, 121458, 123417, 141048, 141701, 152334, 152802, 161944, 164556, 178269, 182187, 203112, 203736, 229203, 237692, 242916, 246834, 263159, 283402, 304668, 305604, 329112, 356538, 364374, 425103, 458406, 475384, 485832, 493668, 526318, 534807, 546561, 566804, 609336, 611208, 713076, 728748, 789477, 850206, 916812, 987336, 1052636, 1069614, 1093122, 1133608, 1275309, 1426152, 1457496, 1578954, 1604421, 1700412, 1833624, 1842113, 2105272, 2139228, 2186244, 2368431, 2550618, 3157908, 3208842, 3400824, 3684226, 3825927, 4278456, 4372488, 4736862, 5101236, 5526339, 6315816, 6417684, 7105293, 7368452, 7651854, 9473724, 10202472, 11052678, 12835368, 14210586, 14736904, 15303708, 16579017, 18947448, 22105356, 28421172, 30607416, 33158034, 44210712, 49737051, 56842344, 66316068, 99474102, 132632136, 198948204, 397896408]

約数ペア:

[(1, 397896408), (2, 198948204), (3, 132632136), (4, 99474102), (6, 66316068), (7, 56842344), (8, 49737051), (9, 44210712), (12, 33158034), (13, 30607416), (14, 28421172), (18, 22105356), (21, 18947448), (24, 16579017), (26, 15303708), (27, 14736904), (28, 14210586), (31, 12835368), (36, 11052678), (39, 10202472), (42, 9473724), (52, 7651854), (54, 7368452), (56, 7105293), (62, 6417684), (63, 6315816), (72, 5526339), (78, 5101236), (84, 4736862), (91, 4372488), (93, 4278456), (104, 3825927), (108, 3684226), (117, 3400824), (124, 3208842), (126, 3157908), (156, 2550618), (168, 2368431), (182, 2186244), (186, 2139228), (189, 2105272), (216, 1842113), (217, 1833624), (234, 1700412), (248, 1604421), (252, 1578954), (273, 1457496), (279, 1426152), (312, 1275309), (351, 1133608), (364, 1093122), (372, 1069614), (378, 1052636), (403, 987336), (434, 916812), (468, 850206), (504, 789477), (546, 728748), (558, 713076), (651, 611208), (653, 609336), (702, 566804), (728, 546561), (744, 534807), (756, 526318), (806, 493668), (819, 485832), (837, 475384), (868, 458406), (936, 425103), (1092, 364374), (1116, 356538), (1209, 329112), (1302, 305604), (1306, 304668), (1404, 283402), (1512, 263159), (1612, 246834), (1638, 242916), (1674, 237692), (1736, 229203), (1953, 203736), (1959, 203112), (2184, 182187), (2232, 178269), (2418, 164556), (2457, 161944), (2604, 152802), (2612, 152334), (2808, 141701), (2821, 141048), (3224, 123417), (3276, 121458), (3348, 118846), (3627, 109704), (3906, 101868), (3918, 101556), (4571, 87048), (4836, 82278), (4914, 80972), (5208, 76401), (5224, 76167), (5642, 70524), (5859, 67912), (5877, 67704), (6552, 60729), (6696, 59423), (7254, 54852), (7812, 50934), (7836, 50778), (8463, 47016), (8489, 46872), (9142, 43524), (9672, 41139), (9828, 40486), (10881, 36568), (11284, 35262), (11718, 33956), (11754, 33852), (13713, 29016), (14508, 27426), (15624, 25467), (15672, 25389), (16926, 23508), (16978, 23436), (17631, 22568), (18284, 21762), (19656, 20243)]