2109492565

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{1933}}^1\times {\mathrm{2161}}^1$

素因数の和:4200

約数の個数: 16

約数和(自身を含む): 2558960496

約数和(自身を除く): 449467931

約数列:

[1, 5, 101, 505, 1933, 2161, 9665, 10805, 195233, 218261, 976165, 1091305, 4177213, 20886065, 421898513, 2109492565]

約数ペア:

[(1, 2109492565), (5, 421898513), (101, 20886065), (505, 4177213), (1933, 1091305), (2161, 976165), (9665, 218261), (10805, 195233)]