28165025

素因数分解:

$5^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{709}}^1$

素因数の和:953

約数の個数: 24

約数和(自身を含む): 40146240

約数和(自身を除く): 11981215

約数列:

[1, 5, 7, 25, 35, 175, 227, 709, 1135, 1589, 3545, 4963, 5675, 7945, 17725, 24815, 39725, 124075, 160943, 804715, 1126601, 4023575, 5633005, 28165025]

約数ペア:

[(1, 28165025), (5, 5633005), (7, 4023575), (25, 1126601), (35, 804715), (175, 160943), (227, 124075), (709, 39725), (1135, 24815), (1589, 17725), (3545, 7945), (4963, 5675)]