208508770

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{159167}}^1$

素因数の和:159305

約数の個数: 16

約数和(自身を含む): 378183168

約数和(自身を除く): 169674398

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 159167, 318334, 795835, 1591670, 20850877, 41701754, 104254385, 208508770]

約数ペア:

[(1, 208508770), (2, 104254385), (5, 41701754), (10, 20850877), (131, 1591670), (262, 795835), (655, 318334), (1310, 159167)]