199905748

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{827}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 408965760

約数和(自身を除く): 209060012

約数列:

[1, 2, 4, 7, 14, 28, 89, 97, 178, 194, 356, 388, 623, 679, 827, 1246, 1358, 1654, 2492, 2716, 3308, 5789, 8633, 11578, 17266, 23156, 34532, 60431, 73603, 80219, 120862, 147206, 160438, 241724, 294412, 320876, 515221, 561533, 1030442, 1123066, 2060884, 2246132, 7139491, 14278982, 28557964, 49976437, 99952874, 199905748]

約数ペア:

[(1, 199905748), (2, 99952874), (4, 49976437), (7, 28557964), (14, 14278982), (28, 7139491), (89, 2246132), (97, 2060884), (178, 1123066), (194, 1030442), (356, 561533), (388, 515221), (623, 320876), (679, 294412), (827, 241724), (1246, 160438), (1358, 147206), (1654, 120862), (2492, 80219), (2716, 73603), (3308, 60431), (5789, 34532), (8633, 23156), (11578, 17266)]