78268025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{9181}}^1$

素因数の和:9233

約数の個数: 24

約数和(自身を含む): 109302528

約数和(自身を除く): 31034503

約数列:

[1, 5, 11, 25, 31, 55, 155, 275, 341, 775, 1705, 8525, 9181, 45905, 100991, 229525, 284611, 504955, 1423055, 2524775, 3130721, 7115275, 15653605, 78268025]

約数ペア:

[(1, 78268025), (5, 15653605), (11, 7115275), (25, 3130721), (31, 2524775), (55, 1423055), (155, 504955), (275, 284611), (341, 229525), (775, 100991), (1705, 45905), (8525, 9181)]