890756552

素因数分解:

$2^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{71329}}^1$

素因数の和:71565

約数の個数: 32

約数和(自身を含む): 1917350400

約数和(自身を除く): 1026593848

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 223, 446, 892, 1561, 1784, 3122, 6244, 12488, 71329, 142658, 285316, 499303, 570632, 998606, 1997212, 3994424, 15906367, 31812734, 63625468, 111344569, 127250936, 222689138, 445378276, 890756552]

約数ペア:

[(1, 890756552), (2, 445378276), (4, 222689138), (7, 127250936), (8, 111344569), (14, 63625468), (28, 31812734), (56, 15906367), (223, 3994424), (446, 1997212), (892, 998606), (1561, 570632), (1784, 499303), (3122, 285316), (6244, 142658), (12488, 71329)]