139421776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{670297}}^1$

素因数の和:670318

約数の個数: 20

約数和(自身を含む): 290909332

約数和(自身を除く): 151487556

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 670297, 1340594, 2681188, 5362376, 8713861, 10724752, 17427722, 34855444, 69710888, 139421776]

約数ペア:

[(1, 139421776), (2, 69710888), (4, 34855444), (8, 17427722), (13, 10724752), (16, 8713861), (26, 5362376), (52, 2681188), (104, 1340594), (208, 670297)]