79891472

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{70327}}^1$

素因数の和:70406

約数の個数: 20

約数和(自身を含む): 156972096

約数和(自身を除く): 77080624

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 70327, 140654, 281308, 562616, 1125232, 4993217, 9986434, 19972868, 39945736, 79891472]

約数ペア:

[(1, 79891472), (2, 39945736), (4, 19972868), (8, 9986434), (16, 4993217), (71, 1125232), (142, 562616), (284, 281308), (568, 140654), (1136, 70327)]