16662499

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 20856528

約数和(自身を除く): 4194029

約数列:

[1, 7, 17, 49, 83, 119, 241, 581, 833, 1411, 1687, 4067, 4097, 9877, 11809, 20003, 28679, 69139, 140021, 200753, 340051, 980147, 2380357, 16662499]

約数ペア:

[(1, 16662499), (7, 2380357), (17, 980147), (49, 340051), (83, 200753), (119, 140021), (241, 69139), (581, 28679), (833, 20003), (1411, 11809), (1687, 9877), (4067, 4097)]