287721616

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2707}}^1$

素因数の和:2808

約数の個数: 80

約数和(自身を含む): 695761024

約数和(自身を除く): 408039408

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 73, 91, 104, 112, 146, 182, 208, 292, 364, 511, 584, 728, 949, 1022, 1168, 1456, 1898, 2044, 2707, 3796, 4088, 5414, 6643, 7592, 8176, 10828, 13286, 15184, 18949, 21656, 26572, 35191, 37898, 43312, 53144, 70382, 75796, 106288, 140764, 151592, 197611, 246337, 281528, 303184, 395222, 492674, 563056, 790444, 985348, 1383277, 1580888, 1970696, 2568943, 2766554, 3161776, 3941392, 5137886, 5533108, 10275772, 11066216, 17982601, 20551544, 22132432, 35965202, 41103088, 71930404, 143860808, 287721616]

約数ペア:

[(1, 287721616), (2, 143860808), (4, 71930404), (7, 41103088), (8, 35965202), (13, 22132432), (14, 20551544), (16, 17982601), (26, 11066216), (28, 10275772), (52, 5533108), (56, 5137886), (73, 3941392), (91, 3161776), (104, 2766554), (112, 2568943), (146, 1970696), (182, 1580888), (208, 1383277), (292, 985348), (364, 790444), (511, 563056), (584, 492674), (728, 395222), (949, 303184), (1022, 281528), (1168, 246337), (1456, 197611), (1898, 151592), (2044, 140764), (2707, 106288), (3796, 75796), (4088, 70382), (5414, 53144), (6643, 43312), (7592, 37898), (8176, 35191), (10828, 26572), (13286, 21656), (15184, 18949)]