207811247

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 260112384

約数和(自身を除く): 52301137

約数列:

[1, 7, 17, 41, 119, 191, 223, 287, 697, 1337, 1561, 3247, 3791, 4879, 7831, 9143, 22729, 26537, 42593, 54817, 64001, 133127, 155431, 298151, 724081, 931889, 1088017, 1746313, 5068567, 12224191, 29687321, 207811247]

約数ペア:

[(1, 207811247), (7, 29687321), (17, 12224191), (41, 5068567), (119, 1746313), (191, 1088017), (223, 931889), (287, 724081), (697, 298151), (1337, 155431), (1561, 133127), (3247, 64001), (3791, 54817), (4879, 42593), (7831, 26537), (9143, 22729)]