81529118

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{86183}}^1$

素因数の和:86239

約数の個数: 16

約数和(自身を含む): 136515456

約数和(自身を除く): 54986338

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 86183, 172366, 948013, 1896026, 3705869, 7411738, 40764559, 81529118]

約数ペア:

[(1, 81529118), (2, 40764559), (11, 7411738), (22, 3705869), (43, 1896026), (86, 948013), (473, 172366), (946, 86183)]