71781145

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{3581}}^1$

素因数の和:3816

約数の個数: 16

約数和(自身を含む): 91126080

約数和(自身を除く): 19344935

約数列:

[1, 5, 19, 95, 211, 1055, 3581, 4009, 17905, 20045, 68039, 340195, 755591, 3777955, 14356229, 71781145]

約数ペア:

[(1, 71781145), (5, 14356229), (19, 3777955), (95, 755591), (211, 340195), (1055, 68039), (3581, 20045), (4009, 17905)]