78708025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1823}}^1$

素因数の和:2001

約数の個数: 24

約数和(自身を含む): 107207424

約数和(自身を除く): 28499399

約数列:

[1, 5, 11, 25, 55, 157, 275, 785, 1727, 1823, 3925, 8635, 9115, 20053, 43175, 45575, 100265, 286211, 501325, 1431055, 3148321, 7155275, 15741605, 78708025]

約数ペア:

[(1, 78708025), (5, 15741605), (11, 7155275), (25, 3148321), (55, 1431055), (157, 501325), (275, 286211), (785, 100265), (1727, 45575), (1823, 43175), (3925, 20053), (8635, 9115)]