12989915

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 15972768

約数和(自身を除く): 2982853

約数列:

[1, 5, 83, 113, 277, 415, 565, 1385, 9379, 22991, 31301, 46895, 114955, 156505, 2597983, 12989915]

約数ペア:

[(1, 12989915), (5, 2597983), (83, 156505), (113, 114955), (277, 46895), (415, 31301), (565, 22991), (1385, 9379)]