31553568

素因数分解:

$2^5\times 3^2\times {\mathrm{331}}^2$

素因数の和:678

約数の個数: 54

約数和(自身を含む): 90002367

約数和(自身を除く): 58448799

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 331, 662, 993, 1324, 1986, 2648, 2979, 3972, 5296, 5958, 7944, 10592, 11916, 15888, 23832, 31776, 47664, 95328, 109561, 219122, 328683, 438244, 657366, 876488, 986049, 1314732, 1752976, 1972098, 2629464, 3505952, 3944196, 5258928, 7888392, 10517856, 15776784, 31553568]

約数ペア:

[(1, 31553568), (2, 15776784), (3, 10517856), (4, 7888392), (6, 5258928), (8, 3944196), (9, 3505952), (12, 2629464), (16, 1972098), (18, 1752976), (24, 1314732), (32, 986049), (36, 876488), (48, 657366), (72, 438244), (96, 328683), (144, 219122), (288, 109561), (331, 95328), (662, 47664), (993, 31776), (1324, 23832), (1986, 15888), (2648, 11916), (2979, 10592), (3972, 7944), (5296, 5958)]