639268434

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{5073559}}^1$

素因数の和:5073574

約数の個数: 24

約数和(自身を含む): 1582950720

約数和(自身を除く): 943682286

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 5073559, 10147118, 15220677, 30441354, 35514913, 45662031, 71029826, 91324062, 106544739, 213089478, 319634217, 639268434]

約数ペア:

[(1, 639268434), (2, 319634217), (3, 213089478), (6, 106544739), (7, 91324062), (9, 71029826), (14, 45662031), (18, 35514913), (21, 30441354), (42, 15220677), (63, 10147118), (126, 5073559)]