7680205

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 10211400

約数和(自身を除く): 2531195

約数列:

[1, 5, 13, 61, 65, 149, 169, 305, 745, 793, 845, 1937, 3965, 9089, 9685, 10309, 25181, 45445, 51545, 118157, 125905, 590785, 1536041, 7680205]

約数ペア:

[(1, 7680205), (5, 1536041), (13, 590785), (61, 125905), (65, 118157), (149, 51545), (169, 45445), (305, 25181), (745, 10309), (793, 9685), (845, 9089), (1937, 3965)]