31761778

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{2657}}^1$

素因数の和:2841

約数の個数: 16

約数和(自身を含む): 49119840

約数和(自身を除く): 17358062

約数列:

[1, 2, 43, 86, 139, 278, 2657, 5314, 5977, 11954, 114251, 228502, 369323, 738646, 15880889, 31761778]

約数ペア:

[(1, 31761778), (2, 15880889), (43, 738646), (86, 369323), (139, 228502), (278, 114251), (2657, 11954), (5314, 5977)]