640024

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1039}}^1$

素因数の和:1063

約数の個数: 32

約数和(自身を含む): 1497600

約数和(自身を除く): 857576

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 1039, 2078, 4156, 7273, 8312, 11429, 14546, 22858, 29092, 45716, 58184, 80003, 91432, 160006, 320012, 640024]

約数ペア:

[(1, 640024), (2, 320012), (4, 160006), (7, 91432), (8, 80003), (11, 58184), (14, 45716), (22, 29092), (28, 22858), (44, 14546), (56, 11429), (77, 8312), (88, 7273), (154, 4156), (308, 2078), (616, 1039)]