253371289

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{19993}}^1$

素因数の和:20064

約数の個数: 16

約数和(自身を含む): 287913600

約数和(自身を除く): 34542311

約数列:

[1, 19, 23, 29, 437, 551, 667, 12673, 19993, 379867, 459839, 579797, 8736941, 11016143, 13335331, 253371289]

約数ペア:

[(1, 253371289), (19, 13335331), (23, 11016143), (29, 8736941), (437, 579797), (551, 459839), (667, 379867), (12673, 19993)]