81393528

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{457}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 210057120

約数和(自身を除く): 128663592

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 181, 246, 328, 362, 457, 492, 543, 724, 914, 984, 1086, 1371, 1448, 1828, 2172, 2742, 3656, 4344, 5484, 7421, 10968, 14842, 18737, 22263, 29684, 37474, 44526, 56211, 59368, 74948, 82717, 89052, 112422, 149896, 165434, 178104, 224844, 248151, 330868, 449688, 496302, 661736, 992604, 1985208, 3391397, 6782794, 10174191, 13565588, 20348382, 27131176, 40696764, 81393528]

約数ペア:

[(1, 81393528), (2, 40696764), (3, 27131176), (4, 20348382), (6, 13565588), (8, 10174191), (12, 6782794), (24, 3391397), (41, 1985208), (82, 992604), (123, 661736), (164, 496302), (181, 449688), (246, 330868), (328, 248151), (362, 224844), (457, 178104), (492, 165434), (543, 149896), (724, 112422), (914, 89052), (984, 82717), (1086, 74948), (1371, 59368), (1448, 56211), (1828, 44526), (2172, 37474), (2742, 29684), (3656, 22263), (4344, 18737), (5484, 14842), (7421, 10968)]