129875405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{38711}}^1$

素因数の和:38788

約数の個数: 16

約数和(自身を含む): 172810368

約数和(自身を除く): 42934963

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 38711, 193555, 425821, 2129105, 2361371, 11806855, 25975081, 129875405]

約数ペア:

[(1, 129875405), (5, 25975081), (11, 11806855), (55, 2361371), (61, 2129105), (305, 425821), (671, 193555), (3355, 38711)]