128336257

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1\times {\mathrm{821}}^1$

素因数の和:1128

約数の個数: 16

約数和(自身を含む): 148828032

約数和(自身を除く): 20491775

約数列:

[1, 7, 137, 163, 821, 959, 1141, 5747, 22331, 112477, 133823, 156317, 787339, 936761, 18333751, 128336257]

約数ペア:

[(1, 128336257), (7, 18333751), (137, 936761), (163, 787339), (821, 156317), (959, 133823), (1141, 112477), (5747, 22331)]