2155702984

素因数分解:

$2^3\times {\mathrm{821}}^1\times {\mathrm{328213}}^1$

素因数の和:329040

約数の個数: 16

約数和(自身を含む): 4046878620

約数和(自身を除く): 1891175636

約数列:

[1, 2, 4, 8, 821, 1642, 3284, 6568, 328213, 656426, 1312852, 2625704, 269462873, 538925746, 1077851492, 2155702984]

約数ペア:

[(1, 2155702984), (2, 1077851492), (4, 538925746), (8, 269462873), (821, 2625704), (1642, 1312852), (3284, 656426), (6568, 328213)]