2490474

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 5959008

約数和(自身を除く): 3468534

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 86, 98, 129, 147, 197, 258, 294, 301, 394, 591, 602, 903, 1182, 1379, 1806, 2107, 2758, 4137, 4214, 6321, 8274, 8471, 9653, 12642, 16942, 19306, 25413, 28959, 50826, 57918, 59297, 118594, 177891, 355782, 415079, 830158, 1245237, 2490474]

約数ペア:

[(1, 2490474), (2, 1245237), (3, 830158), (6, 415079), (7, 355782), (14, 177891), (21, 118594), (42, 59297), (43, 57918), (49, 50826), (86, 28959), (98, 25413), (129, 19306), (147, 16942), (197, 12642), (258, 9653), (294, 8471), (301, 8274), (394, 6321), (591, 4214), (602, 4137), (903, 2758), (1182, 2107), (1379, 1806)]