12420898

素因数分解:

$2^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{5651}}^1$

素因数の和:5817

約数の個数: 16

約数和(自身を含む): 21432384

約数和(自身を除く): 9011486

約数列:

[1, 2, 7, 14, 157, 314, 1099, 2198, 5651, 11302, 39557, 79114, 887207, 1774414, 6210449, 12420898]

約数ペア:

[(1, 12420898), (2, 6210449), (7, 1774414), (14, 887207), (157, 79114), (314, 39557), (1099, 11302), (2198, 5651)]