31971964

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{1423}}^1$

素因数の和:1605

約数の個数: 24

約数和(自身を含む): 57774528

約数和(自身を除く): 25802564

約数列:

[1, 2, 4, 41, 82, 137, 164, 274, 548, 1423, 2846, 5617, 5692, 11234, 22468, 58343, 116686, 194951, 233372, 389902, 779804, 7992991, 15985982, 31971964]

約数ペア:

[(1, 31971964), (2, 15985982), (4, 7992991), (41, 779804), (82, 389902), (137, 233372), (164, 194951), (274, 116686), (548, 58343), (1423, 22468), (2846, 11234), (5617, 5692)]