128631408

素因数分解:

$2^4\times 3^1\times {\mathrm{83}}^2\times {\mathrm{389}}^1$

素因数の和:566

約数の個数: 60

約数和(自身を含む): 337214280

約数和(自身を除く): 208582872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 83, 166, 249, 332, 389, 498, 664, 778, 996, 1167, 1328, 1556, 1992, 2334, 3112, 3984, 4668, 6224, 6889, 9336, 13778, 18672, 20667, 27556, 32287, 41334, 55112, 64574, 82668, 96861, 110224, 129148, 165336, 193722, 258296, 330672, 387444, 516592, 774888, 1549776, 2679821, 5359642, 8039463, 10719284, 16078926, 21438568, 32157852, 42877136, 64315704, 128631408]

約数ペア:

[(1, 128631408), (2, 64315704), (3, 42877136), (4, 32157852), (6, 21438568), (8, 16078926), (12, 10719284), (16, 8039463), (24, 5359642), (48, 2679821), (83, 1549776), (166, 774888), (249, 516592), (332, 387444), (389, 330672), (498, 258296), (664, 193722), (778, 165336), (996, 129148), (1167, 110224), (1328, 96861), (1556, 82668), (1992, 64574), (2334, 55112), (3112, 41334), (3984, 32287), (4668, 27556), (6224, 20667), (6889, 18672), (9336, 13778)]