664863355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{329957}}^1$

素因数の和:330006

約数の個数: 16

約数和(自身を含む): 886927104

約数和(自身を除く): 222063749

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 329957, 1649785, 4289441, 10228667, 21447205, 51143335, 132972671, 664863355]

約数ペア:

[(1, 664863355), (5, 132972671), (13, 51143335), (31, 21447205), (65, 10228667), (155, 4289441), (403, 1649785), (2015, 329957)]