78235556

素因数分解:

$2^2\times 7^3\times {\mathrm{127}}^1\times {\mathrm{449}}^1$

素因数の和:601

約数の個数: 48

約数和(自身を含む): 161280000

約数和(自身を除く): 83044444

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 127, 196, 254, 343, 449, 508, 686, 889, 898, 1372, 1778, 1796, 3143, 3556, 6223, 6286, 12446, 12572, 22001, 24892, 43561, 44002, 57023, 87122, 88004, 114046, 154007, 174244, 228092, 308014, 399161, 616028, 798322, 1596644, 2794127, 5588254, 11176508, 19558889, 39117778, 78235556]

約数ペア:

[(1, 78235556), (2, 39117778), (4, 19558889), (7, 11176508), (14, 5588254), (28, 2794127), (49, 1596644), (98, 798322), (127, 616028), (196, 399161), (254, 308014), (343, 228092), (449, 174244), (508, 154007), (686, 114046), (889, 88004), (898, 87122), (1372, 57023), (1778, 44002), (1796, 43561), (3143, 24892), (3556, 22001), (6223, 12572), (6286, 12446)]