55755728

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^2\times {\mathrm{197}}^1$

素因数の和:257

約数の個数: 90

約数和(自身を含む): 133298946

約数和(自身を除く): 77543218

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 133, 152, 196, 197, 266, 304, 361, 392, 394, 532, 722, 784, 788, 931, 1064, 1379, 1444, 1576, 1862, 2128, 2527, 2758, 2888, 3152, 3724, 3743, 5054, 5516, 5776, 7448, 7486, 9653, 10108, 11032, 14896, 14972, 17689, 19306, 20216, 22064, 26201, 29944, 35378, 38612, 40432, 52402, 59888, 70756, 71117, 77224, 104804, 141512, 142234, 154448, 183407, 209608, 283024, 284468, 366814, 419216, 497819, 568936, 733628, 995638, 1137872, 1467256, 1991276, 2934512, 3484733, 3982552, 6969466, 7965104, 13938932, 27877864, 55755728]

約数ペア:

[(1, 55755728), (2, 27877864), (4, 13938932), (7, 7965104), (8, 6969466), (14, 3982552), (16, 3484733), (19, 2934512), (28, 1991276), (38, 1467256), (49, 1137872), (56, 995638), (76, 733628), (98, 568936), (112, 497819), (133, 419216), (152, 366814), (196, 284468), (197, 283024), (266, 209608), (304, 183407), (361, 154448), (392, 142234), (394, 141512), (532, 104804), (722, 77224), (784, 71117), (788, 70756), (931, 59888), (1064, 52402), (1379, 40432), (1444, 38612), (1576, 35378), (1862, 29944), (2128, 26201), (2527, 22064), (2758, 20216), (2888, 19306), (3152, 17689), (3724, 14972), (3743, 14896), (5054, 11032), (5516, 10108), (5776, 9653), (7448, 7486)]