81566770

素因数分解:

$2^1\times 5^1\times {\mathrm{2239}}^1\times {\mathrm{3643}}^1$

素因数の和:5889

約数の個数: 16

約数和(自身を含む): 146926080

約数和(自身を除く): 65359310

約数列:

[1, 2, 5, 10, 2239, 3643, 4478, 7286, 11195, 18215, 22390, 36430, 8156677, 16313354, 40783385, 81566770]

約数ペア:

[(1, 81566770), (2, 40783385), (5, 16313354), (10, 8156677), (2239, 36430), (3643, 22390), (4478, 18215), (7286, 11195)]