28432925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 37665000

約数和(自身を除く): 9232075

約数列:

[1, 5, 17, 25, 85, 149, 425, 449, 745, 2245, 2533, 3725, 7633, 11225, 12665, 38165, 63325, 66901, 190825, 334505, 1137317, 1672525, 5686585, 28432925]

約数ペア:

[(1, 28432925), (5, 5686585), (17, 1672525), (25, 1137317), (85, 334505), (149, 190825), (425, 66901), (449, 63325), (745, 38165), (2245, 12665), (2533, 11225), (3725, 7633)]