81406904

素因数分解:

$2^3\times {\mathrm{1451}}^1\times {\mathrm{7013}}^1$

素因数の和:8470

約数の個数: 16

約数和(自身を含む): 152764920

約数和(自身を除く): 71358016

約数列:

[1, 2, 4, 8, 1451, 2902, 5804, 7013, 11608, 14026, 28052, 56104, 10175863, 20351726, 40703452, 81406904]

約数ペア:

[(1, 81406904), (2, 40703452), (4, 20351726), (8, 10175863), (1451, 56104), (2902, 28052), (5804, 14026), (7013, 11608)]