268138832

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1289129}}^1$

素因数の和:1289150

約数の個数: 20

約数和(自身を含む): 559482420

約数和(自身を除く): 291343588

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1289129, 2578258, 5156516, 10313032, 16758677, 20626064, 33517354, 67034708, 134069416, 268138832]

約数ペア:

[(1, 268138832), (2, 134069416), (4, 67034708), (8, 33517354), (13, 20626064), (16, 16758677), (26, 10313032), (52, 5156516), (104, 2578258), (208, 1289129)]