68169712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{327739}}^1$

素因数の和:327760

約数の個数: 20

約数和(自身を含む): 142239160

約数和(自身を除く): 74069448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 327739, 655478, 1310956, 2621912, 4260607, 5243824, 8521214, 17042428, 34084856, 68169712]

約数ペア:

[(1, 68169712), (2, 34084856), (4, 17042428), (8, 8521214), (13, 5243824), (16, 4260607), (26, 2621912), (52, 1310956), (104, 655478), (208, 327739)]