81286690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{478157}}^1$

素因数の和:478181

約数の個数: 16

約数和(自身を含む): 154923192

約数和(自身を除く): 73636502

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 478157, 956314, 2390785, 4781570, 8128669, 16257338, 40643345, 81286690]

約数ペア:

[(1, 81286690), (2, 40643345), (5, 16257338), (10, 8128669), (17, 4781570), (34, 2390785), (85, 956314), (170, 478157)]