26409136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{126967}}^1$

素因数の和:126988

約数の個数: 20

約数和(自身を含む): 55104112

約数和(自身を除く): 28694976

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 126967, 253934, 507868, 1015736, 1650571, 2031472, 3301142, 6602284, 13204568, 26409136]

約数ペア:

[(1, 26409136), (2, 13204568), (4, 6602284), (8, 3301142), (13, 2031472), (16, 1650571), (26, 1015736), (52, 507868), (104, 253934), (208, 126967)]