285979421

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{1297}}^1\times {\mathrm{2423}}^1$

素因数の和:3740

約数の個数: 16

約数和(自身を含む): 352391424

約数和(自身を除く): 66412003

約数列:

[1, 7, 13, 91, 1297, 2423, 9079, 16861, 16961, 31499, 118027, 220493, 3142631, 21998417, 40854203, 285979421]

約数ペア:

[(1, 285979421), (7, 40854203), (13, 21998417), (91, 3142631), (1297, 220493), (2423, 118027), (9079, 31499), (16861, 16961)]