28786814

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{467}}^1$

素因数の和:537

約数の個数: 48

約数和(自身を含む): 54739152

約数和(自身を除く): 25952338

約数列:

[1, 2, 7, 14, 17, 34, 37, 49, 74, 98, 119, 238, 259, 467, 518, 629, 833, 934, 1258, 1666, 1813, 3269, 3626, 4403, 6538, 7939, 8806, 15878, 17279, 22883, 30821, 34558, 45766, 55573, 61642, 111146, 120953, 241906, 293743, 389011, 587486, 778022, 846671, 1693342, 2056201, 4112402, 14393407, 28786814]

約数ペア:

[(1, 28786814), (2, 14393407), (7, 4112402), (14, 2056201), (17, 1693342), (34, 846671), (37, 778022), (49, 587486), (74, 389011), (98, 293743), (119, 241906), (238, 120953), (259, 111146), (467, 61642), (518, 55573), (629, 45766), (833, 34558), (934, 30821), (1258, 22883), (1666, 17279), (1813, 15878), (3269, 8806), (3626, 7939), (4403, 6538)]