84920185

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{20389}}^1$

素因数の和:20425

約数の個数: 24

約数和(自身を含む): 125520840

約数和(自身を除く): 40600655

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 4165, 20389, 101945, 142723, 346613, 713615, 999061, 1733065, 2426291, 4995305, 12131455, 16984037, 84920185]

約数ペア:

[(1, 84920185), (5, 16984037), (7, 12131455), (17, 4995305), (35, 2426291), (49, 1733065), (85, 999061), (119, 713615), (245, 346613), (595, 142723), (833, 101945), (4165, 20389)]