64438894

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{2579}}^1$

素因数の和:2656

約数の個数: 24

約数和(自身を含む): 107601480

約数和(自身を除く): 43162586

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 961, 1922, 2579, 5158, 12493, 24986, 33527, 67054, 79949, 159898, 1039337, 2078674, 2478419, 4956838, 32219447, 64438894]

約数ペア:

[(1, 64438894), (2, 32219447), (13, 4956838), (26, 2478419), (31, 2078674), (62, 1039337), (403, 159898), (806, 79949), (961, 67054), (1922, 33527), (2579, 24986), (5158, 12493)]