28957370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7681}}^1$

素因数の和:7730

約数の個数: 32

約数和(自身を含む): 58075920

約数和(自身を除く): 29118550

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 7681, 15362, 38405, 76810, 99853, 199706, 222749, 445498, 499265, 998530, 1113745, 2227490, 2895737, 5791474, 14478685, 28957370]

約数ペア:

[(1, 28957370), (2, 14478685), (5, 5791474), (10, 2895737), (13, 2227490), (26, 1113745), (29, 998530), (58, 499265), (65, 445498), (130, 222749), (145, 199706), (290, 99853), (377, 76810), (754, 38405), (1885, 15362), (3770, 7681)]