128518904

素因数分解:

$2^3\times {\mathrm{239}}^1\times {\mathrm{67217}}^1$

素因数の和:67462

約数の個数: 16

約数和(自身を含む): 241984800

約数和(自身を除く): 113465896

約数列:

[1, 2, 4, 8, 239, 478, 956, 1912, 67217, 134434, 268868, 537736, 16064863, 32129726, 64259452, 128518904]

約数ペア:

[(1, 128518904), (2, 64259452), (4, 32129726), (8, 16064863), (239, 537736), (478, 268868), (956, 134434), (1912, 67217)]