159971615

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{149}}^1\times {\mathrm{743}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 205567200

約数和(自身を除く): 45595585

約数列:

[1, 5, 17, 85, 149, 289, 743, 745, 1445, 2533, 3715, 12631, 12665, 43061, 63155, 110707, 214727, 215305, 553535, 1073635, 1882019, 9410095, 31994323, 159971615]

約数ペア:

[(1, 159971615), (5, 31994323), (17, 9410095), (85, 1882019), (149, 1073635), (289, 553535), (743, 215305), (745, 214727), (1445, 110707), (2533, 63155), (3715, 43061), (12631, 12665)]