123278896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 272857536

約数和(自身を除く): 149578640

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 73, 92, 104, 146, 184, 208, 292, 299, 353, 368, 584, 598, 706, 949, 1168, 1196, 1412, 1679, 1898, 2392, 2824, 3358, 3796, 4589, 4784, 5648, 6716, 7592, 8119, 9178, 13432, 15184, 16238, 18356, 21827, 25769, 26864, 32476, 36712, 43654, 51538, 64952, 73424, 87308, 103076, 105547, 129904, 174616, 206152, 211094, 334997, 349232, 412304, 422188, 592687, 669994, 844376, 1185374, 1339988, 1688752, 2370748, 2679976, 4741496, 5359952, 7704931, 9482992, 15409862, 30819724, 61639448, 123278896]

約数ペア:

[(1, 123278896), (2, 61639448), (4, 30819724), (8, 15409862), (13, 9482992), (16, 7704931), (23, 5359952), (26, 4741496), (46, 2679976), (52, 2370748), (73, 1688752), (92, 1339988), (104, 1185374), (146, 844376), (184, 669994), (208, 592687), (292, 422188), (299, 412304), (353, 349232), (368, 334997), (584, 211094), (598, 206152), (706, 174616), (949, 129904), (1168, 105547), (1196, 103076), (1412, 87308), (1679, 73424), (1898, 64952), (2392, 51538), (2824, 43654), (3358, 36712), (3796, 32476), (4589, 26864), (4784, 25769), (5648, 21827), (6716, 18356), (7592, 16238), (8119, 15184), (9178, 13432)]