13220305

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1307}}^1$

素因数の和:1353

約数の個数: 24

約数和(自身を含む): 19274688

約数和(自身を除く): 6054383

約数列:

[1, 5, 7, 17, 35, 85, 119, 289, 595, 1307, 1445, 2023, 6535, 9149, 10115, 22219, 45745, 111095, 155533, 377723, 777665, 1888615, 2644061, 13220305]

約数ペア:

[(1, 13220305), (5, 2644061), (7, 1888615), (17, 777665), (35, 377723), (85, 155533), (119, 111095), (289, 45745), (595, 22219), (1307, 10115), (1445, 9149), (2023, 6535)]