78248128

素因数分解:

$2^6\times 7^1\times {\mathrm{389}}^1\times {\mathrm{449}}^1$

素因数の和:857

約数の個数: 56

約数和(自身を含む): 178308000

約数和(自身を除く): 100059872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 389, 448, 449, 778, 898, 1556, 1796, 2723, 3112, 3143, 3592, 5446, 6224, 6286, 7184, 10892, 12448, 12572, 14368, 21784, 24896, 25144, 28736, 43568, 50288, 87136, 100576, 174272, 174661, 201152, 349322, 698644, 1222627, 1397288, 2445254, 2794576, 4890508, 5589152, 9781016, 11178304, 19562032, 39124064, 78248128]

約数ペア:

[(1, 78248128), (2, 39124064), (4, 19562032), (7, 11178304), (8, 9781016), (14, 5589152), (16, 4890508), (28, 2794576), (32, 2445254), (56, 1397288), (64, 1222627), (112, 698644), (224, 349322), (389, 201152), (448, 174661), (449, 174272), (778, 100576), (898, 87136), (1556, 50288), (1796, 43568), (2723, 28736), (3112, 25144), (3143, 24896), (3592, 21784), (5446, 14368), (6224, 12572), (6286, 12448), (7184, 10892)]