28263893

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 7194667

約数列:

[1, 7, 29, 37, 53, 71, 203, 259, 371, 497, 1073, 1537, 1961, 2059, 2627, 3763, 7511, 10759, 13727, 14413, 18389, 26341, 56869, 76183, 109127, 139231, 398083, 533281, 763889, 974617, 4037699, 28263893]

約数ペア:

[(1, 28263893), (7, 4037699), (29, 974617), (37, 763889), (53, 533281), (71, 398083), (203, 139231), (259, 109127), (371, 76183), (497, 56869), (1073, 26341), (1537, 18389), (1961, 14413), (2059, 13727), (2627, 10759), (3763, 7511)]