90672988

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{19867}}^1$

素因数の和:20041

約数の個数: 24

約数和(自身を含む): 182467712

約数和(自身を除く): 91794724

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4564, 19867, 39734, 79468, 139069, 278138, 556276, 3238321, 6476642, 12953284, 22668247, 45336494, 90672988]

約数ペア:

[(1, 90672988), (2, 45336494), (4, 22668247), (7, 12953284), (14, 6476642), (28, 3238321), (163, 556276), (326, 278138), (652, 139069), (1141, 79468), (2282, 39734), (4564, 19867)]