8642335

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4289}}^1$

素因数の和:4338

約数の個数: 16

約数和(自身を含む): 11531520

約数和(自身を除く): 2889185

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 4289, 21445, 55757, 132959, 278785, 664795, 1728467, 8642335]

約数ペア:

[(1, 8642335), (5, 1728467), (13, 664795), (31, 278785), (65, 132959), (155, 55757), (403, 21445), (2015, 4289)]