1900515905

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1\times {\mathrm{7459}}^1$

素因数の和:7984

約数の個数: 16

約数和(自身を含む): 2304244800

約数和(自身を除く): 403728895

約数列:

[1, 5, 131, 389, 655, 1945, 7459, 37295, 50959, 254795, 977129, 2901551, 4885645, 14507755, 380103181, 1900515905]

約数ペア:

[(1, 1900515905), (5, 380103181), (131, 14507755), (389, 4885645), (655, 2901551), (1945, 977129), (7459, 254795), (37295, 50959)]