166879180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641843}}^1$

素因数の和:641865

約数の個数: 24

約数和(自身を含む): 377404272

約数和(自身を除く): 210525092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 641843, 1283686, 2567372, 3209215, 6418430, 8343959, 12836860, 16687918, 33375836, 41719795, 83439590, 166879180]

約数ペア:

[(1, 166879180), (2, 83439590), (4, 41719795), (5, 33375836), (10, 16687918), (13, 12836860), (20, 8343959), (26, 6418430), (52, 3209215), (65, 2567372), (130, 1283686), (260, 641843)]