258525025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{1453}}^1$

素因数の和:2121

約数の個数: 24

約数和(自身を含む): 350495424

約数和(自身を除く): 91970399

約数列:

[1, 5, 11, 25, 55, 275, 647, 1453, 3235, 7117, 7265, 15983, 16175, 35585, 36325, 79915, 177925, 399575, 940091, 4700455, 10341001, 23502275, 51705005, 258525025]

約数ペア:

[(1, 258525025), (5, 51705005), (11, 23502275), (25, 10341001), (55, 4700455), (275, 940091), (647, 399575), (1453, 177925), (3235, 79915), (7117, 36325), (7265, 35585), (15983, 16175)]