2506309

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 16

約数和(自身を含む): 2900800

約数和(自身を除く): 394491

約数列:

[1, 13, 19, 73, 139, 247, 949, 1387, 1807, 2641, 10147, 18031, 34333, 131911, 192793, 2506309]

約数ペア:

[(1, 2506309), (13, 192793), (19, 131911), (73, 34333), (139, 18031), (247, 10147), (949, 2641), (1387, 1807)]