1311790730

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1\times {\mathrm{6581}}^1$

素因数の和:7262

約数の個数: 32

約数和(自身を含む): 2441553408

約数和(自身を除く): 1129762678

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 643, 1286, 3215, 6430, 6581, 13162, 19933, 32905, 39866, 65810, 99665, 199330, 204011, 408022, 1020055, 2040110, 4231583, 8463166, 21157915, 42315830, 131179073, 262358146, 655895365, 1311790730]

約数ペア:

[(1, 1311790730), (2, 655895365), (5, 262358146), (10, 131179073), (31, 42315830), (62, 21157915), (155, 8463166), (310, 4231583), (643, 2040110), (1286, 1020055), (3215, 408022), (6430, 204011), (6581, 199330), (13162, 99665), (19933, 65810), (32905, 39866)]