66978898

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{208009}}^1$

素因数の和:208041

約数の個数: 16

約数和(自身を含む): 119813760

約数和(自身を除く): 52834862

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 208009, 416018, 1456063, 2912126, 4784207, 9568414, 33489449, 66978898]

約数ペア:

[(1, 66978898), (2, 33489449), (7, 9568414), (14, 4784207), (23, 2912126), (46, 1456063), (161, 416018), (322, 208009)]