428579788

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^2$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 943166112

約数和(自身を除く): 514586324

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 73, 91, 127, 146, 182, 254, 292, 364, 508, 511, 889, 949, 1022, 1651, 1778, 1898, 2044, 3302, 3556, 3796, 6604, 6643, 9271, 11557, 13286, 16129, 18542, 23114, 26572, 32258, 37084, 46228, 64516, 64897, 112903, 120523, 129794, 209677, 225806, 241046, 259588, 419354, 451612, 482092, 838708, 843661, 1177417, 1467739, 1687322, 2354834, 2935478, 3374644, 4709668, 5870956, 8241919, 15306421, 16483838, 30612842, 32967676, 61225684, 107144947, 214289894, 428579788]

約数ペア:

[(1, 428579788), (2, 214289894), (4, 107144947), (7, 61225684), (13, 32967676), (14, 30612842), (26, 16483838), (28, 15306421), (52, 8241919), (73, 5870956), (91, 4709668), (127, 3374644), (146, 2935478), (182, 2354834), (254, 1687322), (292, 1467739), (364, 1177417), (508, 843661), (511, 838708), (889, 482092), (949, 451612), (1022, 419354), (1651, 259588), (1778, 241046), (1898, 225806), (2044, 209677), (3302, 129794), (3556, 120523), (3796, 112903), (6604, 64897), (6643, 64516), (9271, 46228), (11557, 37084), (13286, 32258), (16129, 26572), (18542, 23114)]