1640394928

素因数分解:

$2^4\times {\mathrm{349}}^1\times {\mathrm{293767}}^1$

素因数の和:294124

約数の個数: 20

約数和(自身を含む): 3187382800

約数和(自身を除く): 1546987872

約数列:

[1, 2, 4, 8, 16, 349, 698, 1396, 2792, 5584, 293767, 587534, 1175068, 2350136, 4700272, 102524683, 205049366, 410098732, 820197464, 1640394928]

約数ペア:

[(1, 1640394928), (2, 820197464), (4, 410098732), (8, 205049366), (16, 102524683), (349, 4700272), (698, 2350136), (1396, 1175068), (2792, 587534), (5584, 293767)]