289291774

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{659}}^1\times {\mathrm{2131}}^1$

素因数の和:2895

約数の個数: 16

約数和(自身を含む): 439021440

約数和(自身を除く): 149729666

約数列:

[1, 2, 103, 206, 659, 1318, 2131, 4262, 67877, 135754, 219493, 438986, 1404329, 2808658, 144645887, 289291774]

約数ペア:

[(1, 289291774), (2, 144645887), (103, 2808658), (206, 1404329), (659, 438986), (1318, 219493), (2131, 135754), (4262, 67877)]