28250425

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4363}}^1$

素因数の和:4417

約数の個数: 24

約数和(自身を含む): 41126336

約数和(自身を除く): 12875911

約数列:

[1, 5, 7, 25, 35, 37, 175, 185, 259, 925, 1295, 4363, 6475, 21815, 30541, 109075, 152705, 161431, 763525, 807155, 1130017, 4035775, 5650085, 28250425]

約数ペア:

[(1, 28250425), (5, 5650085), (7, 4035775), (25, 1130017), (35, 807155), (37, 763525), (175, 161431), (185, 152705), (259, 109075), (925, 30541), (1295, 21815), (4363, 6475)]