28683025

素因数分解:

$5^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{653}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 40872384

約数和(自身を除く): 12189359

約数列:

[1, 5, 7, 25, 35, 175, 251, 653, 1255, 1757, 3265, 4571, 6275, 8785, 16325, 22855, 43925, 114275, 163903, 819515, 1147321, 4097575, 5736605, 28683025]

約数ペア:

[(1, 28683025), (5, 5736605), (7, 4097575), (25, 1147321), (35, 819515), (175, 163903), (251, 114275), (653, 43925), (1255, 22855), (1757, 16325), (3265, 8785), (4571, 6275)]