81270696

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{260483}}^1$

素因数の和:260505

約数の個数: 32

約数和(自身を含む): 218806560

約数和(自身を除く): 137535864

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 260483, 520966, 781449, 1041932, 1562898, 2083864, 3125796, 3386279, 6251592, 6772558, 10158837, 13545116, 20317674, 27090232, 40635348, 81270696]

約数ペア:

[(1, 81270696), (2, 40635348), (3, 27090232), (4, 20317674), (6, 13545116), (8, 10158837), (12, 6772558), (13, 6251592), (24, 3386279), (26, 3125796), (39, 2083864), (52, 1562898), (78, 1041932), (104, 781449), (156, 520966), (312, 260483)]