51818425

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{397}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 67513536

約数和(自身を除く): 15695111

約数列:

[1, 5, 23, 25, 115, 227, 397, 575, 1135, 1985, 5221, 5675, 9131, 9925, 26105, 45655, 90119, 130525, 228275, 450595, 2072737, 2252975, 10363685, 51818425]

約数ペア:

[(1, 51818425), (5, 10363685), (23, 2252975), (25, 2072737), (115, 450595), (227, 228275), (397, 130525), (575, 90119), (1135, 45655), (1985, 26105), (5221, 9925), (5675, 9131)]