215189968

素因数分解:

$2^4\times 7^3\times {\mathrm{113}}^1\times {\mathrm{347}}^1$

素因数の和:489

約数の個数: 80

約数和(自身を含む): 491932800

約数和(自身を除く): 276742832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 113, 196, 226, 343, 347, 392, 452, 686, 694, 784, 791, 904, 1372, 1388, 1582, 1808, 2429, 2744, 2776, 3164, 4858, 5488, 5537, 5552, 6328, 9716, 11074, 12656, 17003, 19432, 22148, 34006, 38759, 38864, 39211, 44296, 68012, 77518, 78422, 88592, 119021, 136024, 155036, 156844, 238042, 272048, 274477, 310072, 313688, 476084, 548954, 620144, 627376, 952168, 1097908, 1904336, 1921339, 2195816, 3842678, 4391632, 7685356, 13449373, 15370712, 26898746, 30741424, 53797492, 107594984, 215189968]

約数ペア:

[(1, 215189968), (2, 107594984), (4, 53797492), (7, 30741424), (8, 26898746), (14, 15370712), (16, 13449373), (28, 7685356), (49, 4391632), (56, 3842678), (98, 2195816), (112, 1921339), (113, 1904336), (196, 1097908), (226, 952168), (343, 627376), (347, 620144), (392, 548954), (452, 476084), (686, 313688), (694, 310072), (784, 274477), (791, 272048), (904, 238042), (1372, 156844), (1388, 155036), (1582, 136024), (1808, 119021), (2429, 88592), (2744, 78422), (2776, 77518), (3164, 68012), (4858, 44296), (5488, 39211), (5537, 38864), (5552, 38759), (6328, 34006), (9716, 22148), (11074, 19432), (12656, 17003)]