28395125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 39222144

約数和(自身を除く): 10827019

約数列:

[1, 5, 11, 25, 55, 107, 125, 193, 275, 535, 965, 1177, 1375, 2123, 2675, 4825, 5885, 10615, 13375, 20651, 24125, 29425, 53075, 103255, 147125, 227161, 265375, 516275, 1135805, 2581375, 5679025, 28395125]

約数ペア:

[(1, 28395125), (5, 5679025), (11, 2581375), (25, 1135805), (55, 516275), (107, 265375), (125, 227161), (193, 147125), (275, 103255), (535, 53075), (965, 29425), (1177, 24125), (1375, 20651), (2123, 13375), (2675, 10615), (4825, 5885)]