2001065675

素因数分解:

$5^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{19681}}^1$

素因数の和:19788

約数の個数: 36

約数和(自身を含む): 2921359896

約数和(自身を除く): 920294221

約数列:

[1, 5, 7, 25, 35, 49, 83, 175, 245, 415, 581, 1225, 2075, 2905, 4067, 14525, 19681, 20335, 98405, 101675, 137767, 492025, 688835, 964369, 1633523, 3444175, 4821845, 8167615, 11434661, 24109225, 40838075, 57173305, 80042627, 285866525, 400213135, 2001065675]

約数ペア:

[(1, 2001065675), (5, 400213135), (7, 285866525), (25, 80042627), (35, 57173305), (49, 40838075), (83, 24109225), (175, 11434661), (245, 8167615), (415, 4821845), (581, 3444175), (1225, 1633523), (2075, 964369), (2905, 688835), (4067, 492025), (14525, 137767), (19681, 101675), (20335, 98405)]