16974325

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 21802176

約数和(自身を除く): 4827851

約数列:

[1, 5, 25, 71, 73, 131, 355, 365, 655, 1775, 1825, 3275, 5183, 9301, 9563, 25915, 46505, 47815, 129575, 232525, 239075, 678973, 3394865, 16974325]

約数ペア:

[(1, 16974325), (5, 3394865), (25, 678973), (71, 239075), (73, 232525), (131, 129575), (355, 47815), (365, 46505), (655, 25915), (1775, 9563), (1825, 9301), (3275, 5183)]