1216943

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:374

約数の個数: 16

約数和(自身を含む): 1537536

約数和(自身を除く): 320593

約数列:

[1, 7, 13, 43, 91, 301, 311, 559, 2177, 3913, 4043, 13373, 28301, 93611, 173849, 1216943]

約数ペア:

[(1, 1216943), (7, 173849), (13, 93611), (43, 28301), (91, 13373), (301, 4043), (311, 3913), (559, 2177)]