398740823

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1\times {\mathrm{2389}}^1$

素因数の和:2786

約数の個数: 16

約数和(自身を含む): 442475040

約数和(自身を除く): 43734217

約数列:

[1, 13, 37, 347, 481, 2389, 4511, 12839, 31057, 88393, 166907, 828983, 1149109, 10776779, 30672371, 398740823]

約数ペア:

[(1, 398740823), (13, 30672371), (37, 10776779), (347, 1149109), (481, 828983), (2389, 166907), (4511, 88393), (12839, 31057)]