858180905

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2689}}^1$

素因数の和:2825

約数の個数: 32

約数和(自身を含む): 1115596800

約数和(自身を除く): 257415895

約数列:

[1, 5, 29, 31, 71, 145, 155, 355, 899, 2059, 2201, 2689, 4495, 10295, 11005, 13445, 63829, 77981, 83359, 190919, 319145, 389905, 416795, 954595, 2417411, 5536651, 5918489, 12087055, 27683255, 29592445, 171636181, 858180905]

約数ペア:

[(1, 858180905), (5, 171636181), (29, 29592445), (31, 27683255), (71, 12087055), (145, 5918489), (155, 5536651), (355, 2417411), (899, 954595), (2059, 416795), (2201, 389905), (2689, 319145), (4495, 190919), (10295, 83359), (11005, 77981), (13445, 63829)]