28592725

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1373}}^1$

素因数の和:1414

約数の個数: 36

約数和(自身を含む): 43701444

約数和(自身を除く): 15108719

約数列:

[1, 5, 7, 17, 25, 35, 49, 85, 119, 175, 245, 425, 595, 833, 1225, 1373, 2975, 4165, 6865, 9611, 20825, 23341, 34325, 48055, 67277, 116705, 163387, 240275, 336385, 583525, 816935, 1143709, 1681925, 4084675, 5718545, 28592725]

約数ペア:

[(1, 28592725), (5, 5718545), (7, 4084675), (17, 1681925), (25, 1143709), (35, 816935), (49, 583525), (85, 336385), (119, 240275), (175, 163387), (245, 116705), (425, 67277), (595, 48055), (833, 34325), (1225, 23341), (1373, 20825), (2975, 9611), (4165, 6865)]