71771615

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{2221}}^1$

素因数の和:2530

約数の個数: 16

約数和(自身を含む): 90230976

約数和(自身を除く): 18459361

約数列:

[1, 5, 23, 115, 281, 1405, 2221, 6463, 11105, 32315, 51083, 255415, 624101, 3120505, 14354323, 71771615]

約数ペア:

[(1, 71771615), (5, 14354323), (23, 3120505), (115, 624101), (281, 255415), (1405, 51083), (2221, 32315), (6463, 11105)]