78612505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 105753600

約数和(自身を除く): 27141095

約数列:

[1, 5, 17, 23, 79, 85, 115, 391, 395, 509, 1343, 1817, 1955, 2545, 6715, 8653, 9085, 11707, 30889, 40211, 43265, 58535, 154445, 199019, 201055, 683587, 924853, 995095, 3417935, 4624265, 15722501, 78612505]

約数ペア:

[(1, 78612505), (5, 15722501), (17, 4624265), (23, 3417935), (79, 995095), (85, 924853), (115, 683587), (391, 201055), (395, 199019), (509, 154445), (1343, 58535), (1817, 43265), (1955, 40211), (2545, 30889), (6715, 11707), (8653, 9085)]