28707230

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 53479008

約数和(自身を除く): 24771778

約数列:

[1, 2, 5, 10, 43, 86, 101, 202, 215, 430, 505, 661, 1010, 1322, 3305, 4343, 6610, 8686, 21715, 28423, 43430, 56846, 66761, 133522, 142115, 284230, 333805, 667610, 2870723, 5741446, 14353615, 28707230]

約数ペア:

[(1, 28707230), (2, 14353615), (5, 5741446), (10, 2870723), (43, 667610), (86, 333805), (101, 284230), (202, 142115), (215, 133522), (430, 66761), (505, 56846), (661, 43430), (1010, 28423), (1322, 21715), (3305, 8686), (4343, 6610)]