8218225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:405

約数の個数: 24

約数和(自身を含む): 11001528

約数和(自身を除く): 2783303

約数列:

[1, 5, 17, 25, 61, 85, 305, 317, 425, 1037, 1525, 1585, 5185, 5389, 7925, 19337, 25925, 26945, 96685, 134725, 328729, 483425, 1643645, 8218225]

約数ペア:

[(1, 8218225), (5, 1643645), (17, 483425), (25, 328729), (61, 134725), (85, 96685), (305, 26945), (317, 25925), (425, 19337), (1037, 7925), (1525, 5389), (1585, 5185)]