16897405

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4057}}^1$

素因数の和:4093

約数の個数: 24

約数和(自身を含む): 24981048

約数和(自身を除く): 8083643

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 4057, 4165, 20285, 28399, 68969, 141995, 198793, 344845, 482783, 993965, 2413915, 3379481, 16897405]

約数ペア:

[(1, 16897405), (5, 3379481), (7, 2413915), (17, 993965), (35, 482783), (49, 344845), (85, 198793), (119, 141995), (245, 68969), (595, 28399), (833, 20285), (4057, 4165)]