16821910805

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{541}}^1\times {\mathrm{52259}}^1$

素因数の和:52829

約数の個数: 32

約数和(自身を含む): 24472730880

約数和(自身を除く): 7650820075

約数列:

[1, 5, 7, 17, 35, 85, 119, 541, 595, 2705, 3787, 9197, 18935, 45985, 52259, 64379, 261295, 321895, 365813, 888403, 1829065, 4442015, 6218821, 28272119, 31094105, 141360595, 197904833, 480626023, 989524165, 2403130115, 3364382161, 16821910805]

約数ペア:

[(1, 16821910805), (5, 3364382161), (7, 2403130115), (17, 989524165), (35, 480626023), (85, 197904833), (119, 141360595), (541, 31094105), (595, 28272119), (2705, 6218821), (3787, 4442015), (9197, 1829065), (18935, 888403), (45985, 365813), (52259, 321895), (64379, 261295)]