4220489

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2441}}^1$

素因数の和:2480

約数の個数: 16

約数和(自身を含む): 5470080

約数和(自身を除く): 1249591

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 2441, 17087, 31733, 46379, 222131, 324653, 602927, 4220489]

約数ペア:

[(1, 4220489), (7, 602927), (13, 324653), (19, 222131), (91, 46379), (133, 31733), (247, 17087), (1729, 2441)]