128974223

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 173599200

約数和(自身を除く): 44624977

約数列:

[1, 7, 17, 19, 29, 49, 119, 133, 203, 281, 323, 493, 551, 833, 931, 1421, 1967, 2261, 3451, 3857, 4777, 5339, 8149, 9367, 13769, 15827, 24157, 26999, 33439, 37373, 57043, 65569, 90763, 138533, 154831, 234073, 261611, 399301, 458983, 635341, 969731, 1083817, 2632127, 4447387, 6788117, 7586719, 18424889, 128974223]

約数ペア:

[(1, 128974223), (7, 18424889), (17, 7586719), (19, 6788117), (29, 4447387), (49, 2632127), (119, 1083817), (133, 969731), (203, 635341), (281, 458983), (323, 399301), (493, 261611), (551, 234073), (833, 154831), (931, 138533), (1421, 90763), (1967, 65569), (2261, 57043), (3451, 37373), (3857, 33439), (4777, 26999), (5339, 24157), (8149, 15827), (9367, 13769)]