12815816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{123229}}^1$

素因数の和:123248

約数の個数: 16

約数和(自身を含む): 25878300

約数和(自身を除く): 13062484

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 123229, 246458, 492916, 985832, 1601977, 3203954, 6407908, 12815816]

約数ペア:

[(1, 12815816), (2, 6407908), (4, 3203954), (8, 1601977), (13, 985832), (26, 492916), (52, 246458), (104, 123229)]