164109025

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{12409}}^1$

素因数の和:12465

約数の個数: 18

約数和(自身を含む): 212744630

約数和(自身を除く): 48635605

約数列:

[1, 5, 23, 25, 115, 529, 575, 2645, 12409, 13225, 62045, 285407, 310225, 1427035, 6564361, 7135175, 32821805, 164109025]

約数ペア:

[(1, 164109025), (5, 32821805), (23, 7135175), (25, 6564361), (115, 1427035), (529, 310225), (575, 285407), (2645, 62045), (12409, 13225)]