9980555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{659}}^1$

素因数の和:910

約数の個数: 16

約数和(自身を含む): 12972960

約数和(自身を除く): 2992405

約数列:

[1, 5, 13, 65, 233, 659, 1165, 3029, 3295, 8567, 15145, 42835, 153547, 767735, 1996111, 9980555]

約数ペア:

[(1, 9980555), (5, 1996111), (13, 767735), (65, 153547), (233, 42835), (659, 15145), (1165, 8567), (3029, 3295)]