855207815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{5861}}^1$

素因数の和:6263

約数の個数: 32

約数和(自身を含む): 1283074560

約数和(自身を除く): 427866745

約数列:

[1, 5, 7, 11, 35, 55, 77, 379, 385, 1895, 2653, 4169, 5861, 13265, 20845, 29183, 29305, 41027, 64471, 145915, 205135, 322355, 451297, 2221319, 2256485, 11106595, 15549233, 24434509, 77746165, 122172545, 171041563, 855207815]

約数ペア:

[(1, 855207815), (5, 171041563), (7, 122172545), (11, 77746165), (35, 24434509), (55, 15549233), (77, 11106595), (379, 2256485), (385, 2221319), (1895, 451297), (2653, 322355), (4169, 205135), (5861, 145915), (13265, 64471), (20845, 41027), (29183, 29305)]