25423775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{571}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 34258224

約数和(自身を除く): 8834449

約数列:

[1, 5, 13, 25, 65, 137, 325, 571, 685, 1781, 2855, 3425, 7423, 8905, 14275, 37115, 44525, 78227, 185575, 391135, 1016951, 1955675, 5084755, 25423775]

約数ペア:

[(1, 25423775), (5, 5084755), (13, 1955675), (25, 1016951), (65, 391135), (137, 185575), (325, 78227), (571, 44525), (685, 37115), (1781, 14275), (2855, 8905), (3425, 7423)]