197578872

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1553}}^1$

素因数の和:1618

約数の個数: 128

約数和(自身を含む): 596736000

約数和(自身を除く): 399157128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 31, 36, 38, 54, 57, 62, 72, 76, 93, 108, 114, 124, 152, 171, 186, 216, 228, 248, 279, 342, 372, 456, 513, 558, 589, 684, 744, 837, 1026, 1116, 1178, 1368, 1553, 1674, 1767, 2052, 2232, 2356, 3106, 3348, 3534, 4104, 4659, 4712, 5301, 6212, 6696, 7068, 9318, 10602, 12424, 13977, 14136, 15903, 18636, 21204, 27954, 29507, 31806, 37272, 41931, 42408, 48143, 55908, 59014, 63612, 83862, 88521, 96286, 111816, 118028, 127224, 144429, 167724, 177042, 192572, 236056, 265563, 288858, 335448, 354084, 385144, 433287, 531126, 577716, 708168, 796689, 866574, 914717, 1062252, 1155432, 1299861, 1593378, 1733148, 1829434, 2124504, 2599722, 2744151, 3186756, 3466296, 3658868, 5199444, 5488302, 6373512, 7317736, 8232453, 10398888, 10976604, 16464906, 21953208, 24697359, 32929812, 49394718, 65859624, 98789436, 197578872]

約数ペア:

[(1, 197578872), (2, 98789436), (3, 65859624), (4, 49394718), (6, 32929812), (8, 24697359), (9, 21953208), (12, 16464906), (18, 10976604), (19, 10398888), (24, 8232453), (27, 7317736), (31, 6373512), (36, 5488302), (38, 5199444), (54, 3658868), (57, 3466296), (62, 3186756), (72, 2744151), (76, 2599722), (93, 2124504), (108, 1829434), (114, 1733148), (124, 1593378), (152, 1299861), (171, 1155432), (186, 1062252), (216, 914717), (228, 866574), (248, 796689), (279, 708168), (342, 577716), (372, 531126), (456, 433287), (513, 385144), (558, 354084), (589, 335448), (684, 288858), (744, 265563), (837, 236056), (1026, 192572), (1116, 177042), (1178, 167724), (1368, 144429), (1553, 127224), (1674, 118028), (1767, 111816), (2052, 96286), (2232, 88521), (2356, 83862), (3106, 63612), (3348, 59014), (3534, 55908), (4104, 48143), (4659, 42408), (4712, 41931), (5301, 37272), (6212, 31806), (6696, 29507), (7068, 27954), (9318, 21204), (10602, 18636), (12424, 15903), (13977, 14136)]