28771370

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{21001}}^1$

素因数の和:21145

約数の個数: 16

約数和(自身を含む): 52168968

約数和(自身を除く): 23397598

約数列:

[1, 2, 5, 10, 137, 274, 685, 1370, 21001, 42002, 105005, 210010, 2877137, 5754274, 14385685, 28771370]

約数ペア:

[(1, 28771370), (2, 14385685), (5, 5754274), (10, 2877137), (137, 210010), (274, 105005), (685, 42002), (1370, 21001)]