81918704

素因数分解:

$2^4\times 7^1\times {\mathrm{601}}^1\times {\mathrm{1217}}^1$

素因数の和:1833

約数の個数: 40

約数和(自身を含む): 181842528

約数和(自身を除く): 99923824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 601, 1202, 1217, 2404, 2434, 4207, 4808, 4868, 8414, 8519, 9616, 9736, 16828, 17038, 19472, 33656, 34076, 67312, 68152, 136304, 731417, 1462834, 2925668, 5119919, 5851336, 10239838, 11702672, 20479676, 40959352, 81918704]

約数ペア:

[(1, 81918704), (2, 40959352), (4, 20479676), (7, 11702672), (8, 10239838), (14, 5851336), (16, 5119919), (28, 2925668), (56, 1462834), (112, 731417), (601, 136304), (1202, 68152), (1217, 67312), (2404, 34076), (2434, 33656), (4207, 19472), (4808, 17038), (4868, 16828), (8414, 9736), (8519, 9616)]