28643672

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 54950400

約数和(自身を除く): 26306728

約数列:

[1, 2, 4, 8, 71, 142, 211, 239, 284, 422, 478, 568, 844, 956, 1688, 1912, 14981, 16969, 29962, 33938, 50429, 59924, 67876, 100858, 119848, 135752, 201716, 403432, 3580459, 7160918, 14321836, 28643672]

約数ペア:

[(1, 28643672), (2, 14321836), (4, 7160918), (8, 3580459), (71, 403432), (142, 201716), (211, 135752), (239, 119848), (284, 100858), (422, 67876), (478, 59924), (568, 50429), (844, 33938), (956, 29962), (1688, 16969), (1912, 14981)]