15990986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{8167}}^1$

素因数の和:8269

約数の個数: 16

約数和(自身を含む): 26464320

約数和(自身を除く): 10473334

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 8167, 16334, 89837, 179674, 726863, 1453726, 7995493, 15990986]

約数ペア:

[(1, 15990986), (2, 7995493), (11, 1453726), (22, 726863), (89, 179674), (178, 89837), (979, 16334), (1958, 8167)]