1869374975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{81013}}^1$

素因数の和:81107

約数の個数: 24

約数和(自身を含む): 2531525472

約数和(自身を除く): 662150497

約数列:

[1, 5, 13, 25, 65, 71, 325, 355, 923, 1775, 4615, 23075, 81013, 405065, 1053169, 2025325, 5265845, 5751923, 26329225, 28759615, 74774999, 143798075, 373874995, 1869374975]

約数ペア:

[(1, 1869374975), (5, 373874995), (13, 143798075), (25, 74774999), (65, 28759615), (71, 26329225), (325, 5751923), (355, 5265845), (923, 2025325), (1775, 1053169), (4615, 405065), (23075, 81013)]