28507696

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 66781440

約数和(自身を除く): 38273744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 67, 112, 116, 131, 134, 203, 232, 262, 268, 406, 464, 469, 524, 536, 812, 917, 938, 1048, 1072, 1624, 1834, 1876, 1943, 2096, 3248, 3668, 3752, 3799, 3886, 7336, 7504, 7598, 7772, 8777, 13601, 14672, 15196, 15544, 17554, 26593, 27202, 30392, 31088, 35108, 53186, 54404, 60784, 61439, 70216, 106372, 108808, 122878, 140432, 212744, 217616, 245756, 254533, 425488, 491512, 509066, 983024, 1018132, 1781731, 2036264, 3563462, 4072528, 7126924, 14253848, 28507696]

約数ペア:

[(1, 28507696), (2, 14253848), (4, 7126924), (7, 4072528), (8, 3563462), (14, 2036264), (16, 1781731), (28, 1018132), (29, 983024), (56, 509066), (58, 491512), (67, 425488), (112, 254533), (116, 245756), (131, 217616), (134, 212744), (203, 140432), (232, 122878), (262, 108808), (268, 106372), (406, 70216), (464, 61439), (469, 60784), (524, 54404), (536, 53186), (812, 35108), (917, 31088), (938, 30392), (1048, 27202), (1072, 26593), (1624, 17554), (1834, 15544), (1876, 15196), (1943, 14672), (2096, 13601), (3248, 8777), (3668, 7772), (3752, 7598), (3799, 7504), (3886, 7336)]