1320815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1$

素因数の和:442

約数の個数: 16

約数和(自身を含む): 1723680

約数和(自身を除く): 402865

約数列:

[1, 5, 17, 41, 85, 205, 379, 697, 1895, 3485, 6443, 15539, 32215, 77695, 264163, 1320815]

約数ペア:

[(1, 1320815), (5, 264163), (17, 77695), (41, 32215), (85, 15539), (205, 6443), (379, 3485), (697, 1895)]