77563025

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 98644728

約数和(自身を除く): 21081703

約数列:

[1, 5, 25, 61, 181, 281, 305, 905, 1405, 1525, 4525, 7025, 11041, 17141, 50861, 55205, 85705, 254305, 276025, 428525, 1271525, 3102521, 15512605, 77563025]

約数ペア:

[(1, 77563025), (5, 15512605), (25, 3102521), (61, 1271525), (181, 428525), (281, 276025), (305, 254305), (905, 85705), (1405, 55205), (1525, 50861), (4525, 17141), (7025, 11041)]