72920984

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{55921}}^1$

素因数の和:56090

約数の個数: 16

約数和(自身を含む): 137568120

約数和(自身を除く): 64647136

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 55921, 111842, 223684, 447368, 9115123, 18230246, 36460492, 72920984]

約数ペア:

[(1, 72920984), (2, 36460492), (4, 18230246), (8, 9115123), (163, 447368), (326, 223684), (652, 111842), (1304, 55921)]