856849609

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1979}}^1\times {\mathrm{5623}}^1$

素因数の和:7620

約数の個数: 16

約数和(自身を含む): 1069009920

約数和(自身を除く): 212160311

約数列:

[1, 7, 11, 77, 1979, 5623, 13853, 21769, 39361, 61853, 152383, 432971, 11127917, 77895419, 122407087, 856849609]

約数ペア:

[(1, 856849609), (7, 122407087), (11, 77895419), (77, 11127917), (1979, 432971), (5623, 152383), (13853, 61853), (21769, 39361)]