287902439

素因数分解:

${\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{601}}^1$

素因数の和:767

約数の個数: 24

約数和(自身を含む): 328590864

約数和(自身を除く): 40688425

約数列:

[1, 11, 37, 107, 121, 407, 601, 1177, 3959, 4477, 6611, 12947, 22237, 43549, 64307, 72721, 244607, 479039, 707377, 2379359, 2690677, 7781147, 26172949, 287902439]

約数ペア:

[(1, 287902439), (11, 26172949), (37, 7781147), (107, 2690677), (121, 2379359), (407, 707377), (601, 479039), (1177, 244607), (3959, 72721), (4477, 64307), (6611, 43549), (12947, 22237)]