238721119

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{373}}^1\times {\mathrm{541}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 296764512

約数和(自身を除く): 58043393

約数列:

[1, 7, 13, 91, 169, 373, 541, 1183, 2611, 3787, 4849, 7033, 33943, 49231, 63037, 91429, 201793, 441259, 640003, 1412551, 2623309, 18363163, 34103017, 238721119]

約数ペア:

[(1, 238721119), (7, 34103017), (13, 18363163), (91, 2623309), (169, 1412551), (373, 640003), (541, 441259), (1183, 201793), (2611, 91429), (3787, 63037), (4849, 49231), (7033, 33943)]