12780474

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1499}}^1$

素因数の和:1547

約数の個数: 48

約数和(自身を含む): 30780000

約数和(自身を除く): 17999526

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 49, 58, 87, 98, 147, 174, 203, 294, 406, 609, 1218, 1421, 1499, 2842, 2998, 4263, 4497, 8526, 8994, 10493, 20986, 31479, 43471, 62958, 73451, 86942, 130413, 146902, 220353, 260826, 304297, 440706, 608594, 912891, 1825782, 2130079, 4260158, 6390237, 12780474]

約数ペア:

[(1, 12780474), (2, 6390237), (3, 4260158), (6, 2130079), (7, 1825782), (14, 912891), (21, 608594), (29, 440706), (42, 304297), (49, 260826), (58, 220353), (87, 146902), (98, 130413), (147, 86942), (174, 73451), (203, 62958), (294, 43471), (406, 31479), (609, 20986), (1218, 10493), (1421, 8994), (1499, 8526), (2842, 4497), (2998, 4263)]