81447912

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:464

約数の個数: 192

約数和(自身を含む): 280949760

約数和(自身を除く): 199501848

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 31, 36, 39, 42, 52, 56, 62, 63, 72, 78, 84, 91, 93, 104, 117, 124, 126, 156, 168, 182, 186, 217, 234, 248, 252, 273, 279, 312, 364, 372, 401, 403, 434, 468, 504, 546, 558, 651, 728, 744, 802, 806, 819, 868, 936, 1092, 1116, 1203, 1209, 1302, 1604, 1612, 1638, 1736, 1953, 2184, 2232, 2406, 2418, 2604, 2807, 2821, 3208, 3224, 3276, 3609, 3627, 3906, 4812, 4836, 5208, 5213, 5614, 5642, 6552, 7218, 7254, 7812, 8421, 8463, 9624, 9672, 10426, 11228, 11284, 12431, 14436, 14508, 15624, 15639, 16842, 16926, 20852, 22456, 22568, 24862, 25263, 25389, 28872, 29016, 31278, 33684, 33852, 36491, 37293, 41704, 46917, 49724, 50526, 50778, 62556, 67368, 67704, 72982, 74586, 87017, 93834, 99448, 101052, 101556, 109473, 111879, 125112, 145964, 149172, 161603, 174034, 187668, 202104, 203112, 218946, 223758, 261051, 291928, 298344, 323206, 328419, 348068, 375336, 437892, 447516, 484809, 522102, 646412, 656838, 696136, 783153, 875784, 895032, 969618, 1044204, 1131221, 1292824, 1313676, 1454427, 1566306, 1939236, 2088408, 2262442, 2627352, 2908854, 3132612, 3393663, 3878472, 4524884, 5817708, 6265224, 6787326, 9049768, 10180989, 11635416, 13574652, 20361978, 27149304, 40723956, 81447912]

約数ペア:

[(1, 81447912), (2, 40723956), (3, 27149304), (4, 20361978), (6, 13574652), (7, 11635416), (8, 10180989), (9, 9049768), (12, 6787326), (13, 6265224), (14, 5817708), (18, 4524884), (21, 3878472), (24, 3393663), (26, 3132612), (28, 2908854), (31, 2627352), (36, 2262442), (39, 2088408), (42, 1939236), (52, 1566306), (56, 1454427), (62, 1313676), (63, 1292824), (72, 1131221), (78, 1044204), (84, 969618), (91, 895032), (93, 875784), (104, 783153), (117, 696136), (124, 656838), (126, 646412), (156, 522102), (168, 484809), (182, 447516), (186, 437892), (217, 375336), (234, 348068), (248, 328419), (252, 323206), (273, 298344), (279, 291928), (312, 261051), (364, 223758), (372, 218946), (401, 203112), (403, 202104), (434, 187668), (468, 174034), (504, 161603), (546, 149172), (558, 145964), (651, 125112), (728, 111879), (744, 109473), (802, 101556), (806, 101052), (819, 99448), (868, 93834), (936, 87017), (1092, 74586), (1116, 72982), (1203, 67704), (1209, 67368), (1302, 62556), (1604, 50778), (1612, 50526), (1638, 49724), (1736, 46917), (1953, 41704), (2184, 37293), (2232, 36491), (2406, 33852), (2418, 33684), (2604, 31278), (2807, 29016), (2821, 28872), (3208, 25389), (3224, 25263), (3276, 24862), (3609, 22568), (3627, 22456), (3906, 20852), (4812, 16926), (4836, 16842), (5208, 15639), (5213, 15624), (5614, 14508), (5642, 14436), (6552, 12431), (7218, 11284), (7254, 11228), (7812, 10426), (8421, 9672), (8463, 9624)]