861569290

素因数分解:

$2^1\times 5^1\times {\mathrm{1549}}^1\times {\mathrm{55621}}^1$

素因数の和:57177

約数の個数: 16

約数和(自身を含む): 1551853800

約数和(自身を除く): 690284510

約数列:

[1, 2, 5, 10, 1549, 3098, 7745, 15490, 55621, 111242, 278105, 556210, 86156929, 172313858, 430784645, 861569290]

約数ペア:

[(1, 861569290), (2, 430784645), (5, 172313858), (10, 86156929), (1549, 556210), (3098, 278105), (7745, 111242), (15490, 55621)]