28786625

素因数分解:

$5^3\times 7^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 41513472

約数和(自身を除く): 12726847

約数列:

[1, 5, 7, 25, 35, 125, 167, 175, 197, 835, 875, 985, 1169, 1379, 4175, 4925, 5845, 6895, 20875, 24625, 29225, 32899, 34475, 146125, 164495, 172375, 230293, 822475, 1151465, 4112375, 5757325, 28786625]

約数ペア:

[(1, 28786625), (5, 5757325), (7, 4112375), (25, 1151465), (35, 822475), (125, 230293), (167, 172375), (175, 164495), (197, 146125), (835, 34475), (875, 32899), (985, 29225), (1169, 24625), (1379, 20875), (4175, 6895), (4925, 5845)]