78356456

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{2671}}^1$

素因数の和:2889

約数の個数: 32

約数和(自身を含む): 155510400

約数和(自身を除く): 77153944

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 193, 386, 772, 1544, 2671, 3667, 5342, 7334, 10684, 14668, 21368, 29336, 50749, 101498, 202996, 405992, 515503, 1031006, 2062012, 4124024, 9794557, 19589114, 39178228, 78356456]

約数ペア:

[(1, 78356456), (2, 39178228), (4, 19589114), (8, 9794557), (19, 4124024), (38, 2062012), (76, 1031006), (152, 515503), (193, 405992), (386, 202996), (772, 101498), (1544, 50749), (2671, 29336), (3667, 21368), (5342, 14668), (7334, 10684)]