139423895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{69193}}^1$

素因数の和:69242

約数の個数: 16

約数和(自身を含む): 185993472

約数和(自身を除く): 46569577

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 69193, 345965, 899509, 2144983, 4497545, 10724915, 27884779, 139423895]

約数ペア:

[(1, 139423895), (5, 27884779), (13, 10724915), (31, 4497545), (65, 2144983), (155, 899509), (403, 345965), (2015, 69193)]