28056205

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 37822464

約数和(自身を除く): 9766259

約数列:

[1, 5, 17, 23, 85, 113, 115, 127, 391, 565, 635, 1921, 1955, 2159, 2599, 2921, 9605, 10795, 12995, 14351, 14605, 44183, 49657, 71755, 220915, 243967, 248285, 330073, 1219835, 1650365, 5611241, 28056205]

約数ペア:

[(1, 28056205), (5, 5611241), (17, 1650365), (23, 1219835), (85, 330073), (113, 248285), (115, 243967), (127, 220915), (391, 71755), (565, 49657), (635, 44183), (1921, 14605), (1955, 14351), (2159, 12995), (2599, 10795), (2921, 9605)]