131133416

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{997}}^1$

素因数の和:1445

約数の個数: 32

約数和(自身を含む): 252753480

約数和(自身を除く): 121620064

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 401, 802, 997, 1604, 1994, 3208, 3988, 7976, 16441, 32882, 40877, 65764, 81754, 131528, 163508, 327016, 399797, 799594, 1599188, 3198376, 16391677, 32783354, 65566708, 131133416]

約数ペア:

[(1, 131133416), (2, 65566708), (4, 32783354), (8, 16391677), (41, 3198376), (82, 1599188), (164, 799594), (328, 399797), (401, 327016), (802, 163508), (997, 131528), (1604, 81754), (1994, 65764), (3208, 40877), (3988, 32882), (7976, 16441)]