28702975

素因数分解:

$5^2\times 7^2\times {\mathrm{23431}}^1$

素因数の和:23455

約数の個数: 18

約数和(自身を含む): 41404344

約数和(自身を除く): 12701369

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 23431, 117155, 164017, 585775, 820085, 1148119, 4100425, 5740595, 28702975]

約数ペア:

[(1, 28702975), (5, 5740595), (7, 4100425), (25, 1148119), (35, 820085), (49, 585775), (175, 164017), (245, 117155), (1225, 23431)]