81039632

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{32261}}^1$

素因数の和:32426

約数の個数: 20

約数和(自身を含む): 158019276

約数和(自身を除く): 76979644

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 32261, 64522, 129044, 258088, 516176, 5064977, 10129954, 20259908, 40519816, 81039632]

約数ペア:

[(1, 81039632), (2, 40519816), (4, 20259908), (8, 10129954), (16, 5064977), (157, 516176), (314, 258088), (628, 129044), (1256, 64522), (2512, 32261)]