401388631

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{7841}}^1$

素因数の和:8022

約数の個数: 16

約数和(自身を含む): 469767168

約数和(自身を除く): 68378537

約数列:

[1, 7, 71, 103, 497, 721, 7313, 7841, 51191, 54887, 556711, 807623, 3896977, 5653361, 57341233, 401388631]

約数ペア:

[(1, 401388631), (7, 57341233), (71, 5653361), (103, 3896977), (497, 807623), (721, 556711), (7313, 54887), (7841, 51191)]