172355911

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2591}}^1$

素因数の和:2671

約数の個数: 32

約数和(自身を含む): 229920768

約数和(自身を除く): 57564857

約数列:

[1, 7, 13, 17, 43, 91, 119, 221, 301, 559, 731, 1547, 2591, 3913, 5117, 9503, 18137, 33683, 44047, 66521, 111413, 235781, 308329, 572611, 779891, 1448369, 1894021, 4008277, 10138583, 13258147, 24622273, 172355911]

約数ペア:

[(1, 172355911), (7, 24622273), (13, 13258147), (17, 10138583), (43, 4008277), (91, 1894021), (119, 1448369), (221, 779891), (301, 572611), (559, 308329), (731, 235781), (1547, 111413), (2591, 66521), (3913, 44047), (5117, 33683), (9503, 18137)]