12981722

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{2239}}^1$

素因数の和:2477

約数の個数: 16

約数和(自身を含む): 21073920

約数和(自身を除く): 8092198

約数列:

[1, 2, 13, 26, 223, 446, 2239, 2899, 4478, 5798, 29107, 58214, 499297, 998594, 6490861, 12981722]

約数ペア:

[(1, 12981722), (2, 6490861), (13, 998594), (26, 499297), (223, 58214), (446, 29107), (2239, 5798), (2899, 4478)]