2650025

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{797}}^1$

素因数の和:833

約数の個数: 24

約数和(自身を含む): 3958080

約数和(自身を除く): 1308055

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 797, 3325, 3985, 5579, 15143, 19925, 27895, 75715, 106001, 139475, 378575, 530005, 2650025]

約数ペア:

[(1, 2650025), (5, 530005), (7, 378575), (19, 139475), (25, 106001), (35, 75715), (95, 27895), (133, 19925), (175, 15143), (475, 5579), (665, 3985), (797, 3325)]