987560575

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{491}}^1\times {\mathrm{1871}}^1$

素因数の和:2415

約数の個数: 24

約数和(自身を含む): 1256276736

約数和(自身を除く): 268716161

約数列:

[1, 5, 25, 43, 215, 491, 1075, 1871, 2455, 9355, 12275, 21113, 46775, 80453, 105565, 402265, 527825, 918661, 2011325, 4593305, 22966525, 39502423, 197512115, 987560575]

約数ペア:

[(1, 987560575), (5, 197512115), (25, 39502423), (43, 22966525), (215, 4593305), (491, 2011325), (1075, 918661), (1871, 527825), (2455, 402265), (9355, 105565), (12275, 80453), (21113, 46775)]