218569

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:96

約数の個数: 16

約数和(自身を含む): 266112

約数和(自身を除く): 47543

約数列:

[1, 13, 17, 23, 43, 221, 299, 391, 559, 731, 989, 5083, 9503, 12857, 16813, 218569]

約数ペア:

[(1, 218569), (13, 16813), (17, 12857), (23, 9503), (43, 5083), (221, 989), (299, 731), (391, 559)]