140672021

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1\times {\mathrm{557}}^1$

素因数の和:1004

約数の個数: 16

約数和(自身を含む): 163025280

約数和(自身を除く): 22353259

約数列:

[1, 7, 109, 331, 557, 763, 2317, 3899, 36079, 60713, 184367, 252553, 424991, 1290569, 20096003, 140672021]

約数ペア:

[(1, 140672021), (7, 20096003), (109, 1290569), (331, 424991), (557, 252553), (763, 184367), (2317, 60713), (3899, 36079)]