68983408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{331651}}^1$

素因数の和:331672

約数の個数: 20

約数和(自身を含む): 143936968

約数和(自身を除く): 74953560

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 331651, 663302, 1326604, 2653208, 4311463, 5306416, 8622926, 17245852, 34491704, 68983408]

約数ペア:

[(1, 68983408), (2, 34491704), (4, 17245852), (8, 8622926), (13, 5306416), (16, 4311463), (26, 2653208), (52, 1326604), (104, 663302), (208, 331651)]