1557366928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{7487341}}^1$

素因数の和:7487362

約数の個数: 20

約数和(自身を含む): 3249506428

約数和(自身を除く): 1692139500

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 7487341, 14974682, 29949364, 59898728, 97335433, 119797456, 194670866, 389341732, 778683464, 1557366928]

約数ペア:

[(1, 1557366928), (2, 778683464), (4, 389341732), (8, 194670866), (13, 119797456), (16, 97335433), (26, 59898728), (52, 29949364), (104, 14974682), (208, 7487341)]