31561570

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2531}}^1$

素因数の和:2610

約数の個数: 32

約数和(自身を含む): 60160320

約数和(自身を除く): 28598750

約数列:

[1, 2, 5, 10, 29, 43, 58, 86, 145, 215, 290, 430, 1247, 2494, 2531, 5062, 6235, 12470, 12655, 25310, 73399, 108833, 146798, 217666, 366995, 544165, 733990, 1088330, 3156157, 6312314, 15780785, 31561570]

約数ペア:

[(1, 31561570), (2, 15780785), (5, 6312314), (10, 3156157), (29, 1088330), (43, 733990), (58, 544165), (86, 366995), (145, 217666), (215, 146798), (290, 108833), (430, 73399), (1247, 25310), (2494, 12655), (2531, 12470), (5062, 6235)]