26261456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{126257}}^1$

素因数の和:126278

約数の個数: 20

約数和(自身を含む): 54795972

約数和(自身を除く): 28534516

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 126257, 252514, 505028, 1010056, 1641341, 2020112, 3282682, 6565364, 13130728, 26261456]

約数ペア:

[(1, 26261456), (2, 13130728), (4, 6565364), (8, 3282682), (13, 2020112), (16, 1641341), (26, 1010056), (52, 505028), (104, 252514), (208, 126257)]