90205724

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{140071}}^1$

素因数の和:140105

約数の個数: 24

約数和(自身を含む): 188256768

約数和(自身を除く): 98051044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 140071, 280142, 560284, 980497, 1960994, 3221633, 3921988, 6443266, 12886532, 22551431, 45102862, 90205724]

約数ペア:

[(1, 90205724), (2, 45102862), (4, 22551431), (7, 12886532), (14, 6443266), (23, 3921988), (28, 3221633), (46, 1960994), (92, 980497), (161, 560284), (322, 280142), (644, 140071)]