81220292

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{2897}}^1$

素因数の和:3107

約数の個数: 24

約数和(自身を含む): 146383776

約数和(自身を除く): 65163484

約数列:

[1, 2, 4, 43, 86, 163, 172, 326, 652, 2897, 5794, 7009, 11588, 14018, 28036, 124571, 249142, 472211, 498284, 944422, 1888844, 20305073, 40610146, 81220292]

約数ペア:

[(1, 81220292), (2, 40610146), (4, 20305073), (43, 1888844), (86, 944422), (163, 498284), (172, 472211), (326, 249142), (652, 124571), (2897, 28036), (5794, 14018), (7009, 11588)]