8389225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 11374272

約数和(自身を除く): 2985047

約数列:

[1, 5, 13, 25, 65, 83, 311, 325, 415, 1079, 1555, 2075, 4043, 5395, 7775, 20215, 25813, 26975, 101075, 129065, 335569, 645325, 1677845, 8389225]

約数ペア:

[(1, 8389225), (5, 1677845), (13, 645325), (25, 335569), (65, 129065), (83, 101075), (311, 26975), (325, 25813), (415, 20215), (1079, 7775), (1555, 5395), (2075, 4043)]