9988355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4957}}^1$

素因数の和:5006

約数の個数: 16

約数和(自身を含む): 13327104

約数和(自身を除く): 3338749

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 4957, 24785, 64441, 153667, 322205, 768335, 1997671, 9988355]

約数ペア:

[(1, 9988355), (5, 1997671), (13, 768335), (31, 322205), (65, 153667), (155, 64441), (403, 24785), (2015, 4957)]