81905806

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 132088320

約数和(自身を除く): 50182514

約数列:

[1, 2, 23, 46, 59, 103, 118, 206, 293, 586, 1357, 2369, 2714, 4738, 6077, 6739, 12154, 13478, 17287, 30179, 34574, 60358, 139771, 279542, 397601, 694117, 795202, 1388234, 1780561, 3561122, 40952903, 81905806]

約数ペア:

[(1, 81905806), (2, 40952903), (23, 3561122), (46, 1780561), (59, 1388234), (103, 795202), (118, 694117), (206, 397601), (293, 279542), (586, 139771), (1357, 60358), (2369, 34574), (2714, 30179), (4738, 17287), (6077, 13478), (6739, 12154)]