2720221492

素因数分解:

$2^2\times {\mathrm{2137}}^1\times {\mathrm{318229}}^1$

素因数の和:320370

約数の個数: 12

約数和(自身を含む): 4762630180

約数和(自身を除く): 2042408688

約数列:

[1, 2, 4, 2137, 4274, 8548, 318229, 636458, 1272916, 680055373, 1360110746, 2720221492]

約数ペア:

[(1, 2720221492), (2, 1360110746), (4, 680055373), (2137, 1272916), (4274, 636458), (8548, 318229)]