81109615

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{4327}}^1$

素因数の和:4518

約数の個数: 16

約数和(自身を含む): 102210048

約数和(自身を除く): 21100433

約数列:

[1, 5, 23, 115, 163, 815, 3749, 4327, 18745, 21635, 99521, 497605, 705301, 3526505, 16221923, 81109615]

約数ペア:

[(1, 81109615), (5, 16221923), (23, 3526505), (115, 705301), (163, 497605), (815, 99521), (3749, 21635), (4327, 18745)]