68725072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{330409}}^1$

素因数の和:330430

約数の個数: 20

約数和(自身を含む): 143397940

約数和(自身を除く): 74672868

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 330409, 660818, 1321636, 2643272, 4295317, 5286544, 8590634, 17181268, 34362536, 68725072]

約数ペア:

[(1, 68725072), (2, 34362536), (4, 17181268), (8, 8590634), (13, 5286544), (16, 4295317), (26, 2643272), (52, 1321636), (104, 660818), (208, 330409)]