67900015

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{11717}}^1$

素因数の和:11802

約数の個数: 16

約数和(自身を含む): 87181920

約数和(自身を除く): 19281905

約数列:

[1, 5, 19, 61, 95, 305, 1159, 5795, 11717, 58585, 222623, 714737, 1113115, 3573685, 13580003, 67900015]

約数ペア:

[(1, 67900015), (5, 13580003), (19, 3573685), (61, 1113115), (95, 714737), (305, 222623), (1159, 58585), (5795, 11717)]