68821264

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{27397}}^1$

素因数の和:27562

約数の個数: 20

約数和(自身を含む): 134195404

約数和(自身を除く): 65374140

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 27397, 54794, 109588, 219176, 438352, 4301329, 8602658, 17205316, 34410632, 68821264]

約数ペア:

[(1, 68821264), (2, 34410632), (4, 17205316), (8, 8602658), (16, 4301329), (157, 438352), (314, 219176), (628, 109588), (1256, 54794), (2512, 27397)]