201680215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{159431}}^1$

素因数の和:159470

約数の個数: 16

約数和(自身を含む): 275498496

約数和(自身を除く): 73818281

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 159431, 797155, 1753741, 3666913, 8768705, 18334565, 40336043, 201680215]

約数ペア:

[(1, 201680215), (5, 40336043), (11, 18334565), (23, 8768705), (55, 3666913), (115, 1753741), (253, 797155), (1265, 159431)]