289012225

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{4493}}^1$

素因数の和:4617

約数の個数: 24

約数和(自身を含む): 374476032

約数和(自身を除く): 85463807

約数列:

[1, 5, 25, 31, 83, 155, 415, 775, 2075, 2573, 4493, 12865, 22465, 64325, 112325, 139283, 372919, 696415, 1864595, 3482075, 9322975, 11560489, 57802445, 289012225]

約数ペア:

[(1, 289012225), (5, 57802445), (25, 11560489), (31, 9322975), (83, 3482075), (155, 1864595), (415, 696415), (775, 372919), (2075, 139283), (2573, 112325), (4493, 64325), (12865, 22465)]