28142125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:334

約数の個数: 32

約数和(自身を含む): 38892672

約数和(自身を除く): 10750547

約数列:

[1, 5, 11, 25, 55, 97, 125, 211, 275, 485, 1055, 1067, 1375, 2321, 2425, 5275, 5335, 11605, 12125, 20467, 26375, 26675, 58025, 102335, 133375, 225137, 290125, 511675, 1125685, 2558375, 5628425, 28142125]

約数ペア:

[(1, 28142125), (5, 5628425), (11, 2558375), (25, 1125685), (55, 511675), (97, 290125), (125, 225137), (211, 133375), (275, 102335), (485, 58025), (1055, 26675), (1067, 26375), (1375, 20467), (2321, 12125), (2425, 11605), (5275, 5335)]