66774448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{321031}}^1$

素因数の和:321052

約数の個数: 20

約数和(自身を含む): 139327888

約数和(自身を除く): 72553440

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 321031, 642062, 1284124, 2568248, 4173403, 5136496, 8346806, 16693612, 33387224, 66774448]

約数ペア:

[(1, 66774448), (2, 33387224), (4, 16693612), (8, 8346806), (13, 5136496), (16, 4173403), (26, 2568248), (52, 1284124), (104, 642062), (208, 321031)]