28670856

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 74692800

約数和(自身を除く): 46021944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 83, 111, 148, 166, 222, 249, 296, 332, 389, 444, 498, 664, 778, 888, 996, 1167, 1556, 1992, 2334, 3071, 3112, 4668, 6142, 9213, 9336, 12284, 14393, 18426, 24568, 28786, 32287, 36852, 43179, 57572, 64574, 73704, 86358, 96861, 115144, 129148, 172716, 193722, 258296, 345432, 387444, 774888, 1194619, 2389238, 3583857, 4778476, 7167714, 9556952, 14335428, 28670856]

約数ペア:

[(1, 28670856), (2, 14335428), (3, 9556952), (4, 7167714), (6, 4778476), (8, 3583857), (12, 2389238), (24, 1194619), (37, 774888), (74, 387444), (83, 345432), (111, 258296), (148, 193722), (166, 172716), (222, 129148), (249, 115144), (296, 96861), (332, 86358), (389, 73704), (444, 64574), (498, 57572), (664, 43179), (778, 36852), (888, 32287), (996, 28786), (1167, 24568), (1556, 18426), (1992, 14393), (2334, 12284), (3071, 9336), (3112, 9213), (4668, 6142)]