89491825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 124746480

約数和(自身を除く): 35254655

約数列:

[1, 5, 17, 25, 29, 53, 85, 137, 145, 265, 425, 493, 685, 725, 901, 1325, 1537, 2329, 2465, 3425, 3973, 4505, 7261, 7685, 11645, 12325, 19865, 22525, 26129, 36305, 38425, 58225, 67541, 99325, 123437, 130645, 181525, 210569, 337705, 617185, 653225, 1052845, 1688525, 3085925, 3579673, 5264225, 17898365, 89491825]

約数ペア:

[(1, 89491825), (5, 17898365), (17, 5264225), (25, 3579673), (29, 3085925), (53, 1688525), (85, 1052845), (137, 653225), (145, 617185), (265, 337705), (425, 210569), (493, 181525), (685, 130645), (725, 123437), (901, 99325), (1325, 67541), (1537, 58225), (2329, 38425), (2465, 36305), (3425, 26129), (3973, 22525), (4505, 19865), (7261, 12325), (7685, 11645)]