86684975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2447}}^1$

素因数の和:2579

約数の個数: 24

約数和(自身を含む): 116867520

約数和(自身を除く): 30182545

約数列:

[1, 5, 13, 25, 65, 109, 325, 545, 1417, 2447, 2725, 7085, 12235, 31811, 35425, 61175, 159055, 266723, 795275, 1333615, 3467399, 6668075, 17336995, 86684975]

約数ペア:

[(1, 86684975), (5, 17336995), (13, 6668075), (25, 3467399), (65, 1333615), (109, 795275), (325, 266723), (545, 159055), (1417, 61175), (2447, 35425), (2725, 31811), (7085, 12235)]