206984986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{89449}}^1$

素因数の和:89553

約数の個数: 16

約数和(自身を含む): 338121000

約数和(自身を除く): 131136014

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 89449, 178898, 1162837, 2325674, 7960961, 15921922, 103492493, 206984986]

約数ペア:

[(1, 206984986), (2, 103492493), (13, 15921922), (26, 7960961), (89, 2325674), (178, 1162837), (1157, 178898), (2314, 89449)]