81738734

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 163233792

約数和(自身を除く): 81495058

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 47, 77, 94, 154, 161, 253, 322, 329, 491, 506, 517, 658, 982, 1034, 1081, 1771, 2162, 3437, 3542, 3619, 5401, 6874, 7238, 7567, 10802, 11293, 11891, 15134, 22586, 23077, 23782, 37807, 46154, 75614, 79051, 83237, 124223, 158102, 161539, 166474, 248446, 253847, 323078, 507694, 530771, 869561, 1061542, 1739122, 1776929, 3553858, 3715397, 5838481, 7430794, 11676962, 40869367, 81738734]

約数ペア:

[(1, 81738734), (2, 40869367), (7, 11676962), (11, 7430794), (14, 5838481), (22, 3715397), (23, 3553858), (46, 1776929), (47, 1739122), (77, 1061542), (94, 869561), (154, 530771), (161, 507694), (253, 323078), (322, 253847), (329, 248446), (491, 166474), (506, 161539), (517, 158102), (658, 124223), (982, 83237), (1034, 79051), (1081, 75614), (1771, 46154), (2162, 37807), (3437, 23782), (3542, 23077), (3619, 22586), (5401, 15134), (6874, 11891), (7238, 11293), (7567, 10802)]