26957255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{647}}^1$

素因数の和:1306

約数の個数: 16

約数和(自身を含む): 34945344

約数和(自身を除く): 7988089

約数列:

[1, 5, 13, 65, 641, 647, 3205, 3235, 8333, 8411, 41665, 42055, 414727, 2073635, 5391451, 26957255]

約数ペア:

[(1, 26957255), (5, 5391451), (13, 2073635), (65, 414727), (641, 42055), (647, 41665), (3205, 8411), (3235, 8333)]