128519976

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{411923}}^1$

素因数の和:411945

約数の個数: 32

約数和(自身を含む): 346016160

約数和(自身を除く): 217496184

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 411923, 823846, 1235769, 1647692, 2471538, 3295384, 4943076, 5354999, 9886152, 10709998, 16064997, 21419996, 32129994, 42839992, 64259988, 128519976]

約数ペア:

[(1, 128519976), (2, 64259988), (3, 42839992), (4, 32129994), (6, 21419996), (8, 16064997), (12, 10709998), (13, 9886152), (24, 5354999), (26, 4943076), (39, 3295384), (52, 2471538), (78, 1647692), (104, 1235769), (156, 823846), (312, 411923)]