990670

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{631}}^1$

素因数の和:795

約数の個数: 16

約数和(自身を含む): 1797408

約数和(自身を除く): 806738

約数列:

[1, 2, 5, 10, 157, 314, 631, 785, 1262, 1570, 3155, 6310, 99067, 198134, 495335, 990670]

約数ペア:

[(1, 990670), (2, 495335), (5, 198134), (10, 99067), (157, 6310), (314, 3155), (631, 1570), (785, 1262)]