31397390

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{76579}}^1$

素因数の和:76627

約数の個数: 16

約数和(自身を含む): 57894480

約数和(自身を除く): 26497090

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 76579, 153158, 382895, 765790, 3139739, 6279478, 15698695, 31397390]

約数ペア:

[(1, 31397390), (2, 15698695), (5, 6279478), (10, 3139739), (41, 765790), (82, 382895), (205, 153158), (410, 76579)]