28014455

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 40934400

約数和(自身を除く): 12919945

約数列:

[1, 5, 7, 19, 35, 95, 103, 133, 409, 515, 665, 721, 1957, 2045, 2863, 3605, 7771, 9785, 13699, 14315, 38855, 42127, 54397, 68495, 210635, 271985, 294889, 800413, 1474445, 4002065, 5602891, 28014455]

約数ペア:

[(1, 28014455), (5, 5602891), (7, 4002065), (19, 1474445), (35, 800413), (95, 294889), (103, 271985), (133, 210635), (409, 68495), (515, 54397), (665, 42127), (721, 38855), (1957, 14315), (2045, 13699), (2863, 9785), (3605, 7771)]