42172808

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{12889}}^1$

素因数の和:13304

約数の個数: 16

約数和(自身を含む): 79273500

約数和(自身を除く): 37100692

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 12889, 25778, 51556, 103112, 5271601, 10543202, 21086404, 42172808]

約数ペア:

[(1, 42172808), (2, 21086404), (4, 10543202), (8, 5271601), (409, 103112), (818, 51556), (1636, 25778), (3272, 12889)]