645080252

素因数分解:

$2^2\times {\mathrm{167}}^1\times {\mathrm{839}}^1\times {\mathrm{1151}}^1$

素因数の和:2161

約数の個数: 24

約数和(自身を含む): 1137991680

約数和(自身を除く): 492911428

約数列:

[1, 2, 4, 167, 334, 668, 839, 1151, 1678, 2302, 3356, 4604, 140113, 192217, 280226, 384434, 560452, 768868, 965689, 1931378, 3862756, 161270063, 322540126, 645080252]

約数ペア:

[(1, 645080252), (2, 322540126), (4, 161270063), (167, 3862756), (334, 1931378), (668, 965689), (839, 768868), (1151, 560452), (1678, 384434), (2302, 280226), (3356, 192217), (4604, 140113)]