488673913

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{2003}}^1$

素因数の和:2413

約数の個数: 24

約数和(自身を含む): 614089728

約数和(自身を除く): 125415815

約数列:

[1, 7, 13, 49, 91, 383, 637, 2003, 2681, 4979, 14021, 18767, 26039, 34853, 98147, 182273, 243971, 767149, 1275911, 5370043, 9972937, 37590301, 69810559, 488673913]

約数ペア:

[(1, 488673913), (7, 69810559), (13, 37590301), (49, 9972937), (91, 5370043), (383, 1275911), (637, 767149), (2003, 243971), (2681, 182273), (4979, 98147), (14021, 34853), (18767, 26039)]