128177556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{821651}}^1$

素因数の和:821671

約数の個数: 24

約数和(自身を含む): 322087584

約数和(自身を除く): 193910028

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 821651, 1643302, 2464953, 3286604, 4929906, 9859812, 10681463, 21362926, 32044389, 42725852, 64088778, 128177556]

約数ペア:

[(1, 128177556), (2, 64088778), (3, 42725852), (4, 32044389), (6, 21362926), (12, 10681463), (13, 9859812), (26, 4929906), (39, 3286604), (52, 2464953), (78, 1643302), (156, 821651)]