1221254447

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1\times {\mathrm{4877}}^1$

素因数の和:5398

約数の個数: 16

約数和(自身を含む): 1416102912

約数和(自身を除く): 194848465

約数列:

[1, 7, 83, 431, 581, 3017, 4877, 34139, 35773, 250411, 404791, 2101987, 2833537, 14713909, 174464921, 1221254447]

約数ペア:

[(1, 1221254447), (7, 174464921), (83, 14713909), (431, 2833537), (581, 2101987), (3017, 404791), (4877, 250411), (34139, 35773)]