1240421

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:380

約数の個数: 16

約数和(自身を含む): 1567104

約数和(自身を除く): 326683

約数列:

[1, 7, 13, 43, 91, 301, 317, 559, 2219, 3913, 4121, 13631, 28847, 95417, 177203, 1240421]

約数ペア:

[(1, 1240421), (7, 177203), (13, 95417), (43, 28847), (91, 13631), (301, 4121), (317, 3913), (559, 2219)]