28407808

素因数分解:

$2^{11}\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 67420080

約数和(自身を除く): 39012272

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 97, 104, 128, 143, 176, 194, 208, 256, 286, 352, 388, 416, 512, 572, 704, 776, 832, 1024, 1067, 1144, 1261, 1408, 1552, 1664, 2048, 2134, 2288, 2522, 2816, 3104, 3328, 4268, 4576, 5044, 5632, 6208, 6656, 8536, 9152, 10088, 11264, 12416, 13312, 13871, 17072, 18304, 20176, 22528, 24832, 26624, 27742, 34144, 36608, 40352, 49664, 55484, 68288, 73216, 80704, 99328, 110968, 136576, 146432, 161408, 198656, 221936, 273152, 292864, 322816, 443872, 546304, 645632, 887744, 1092608, 1291264, 1775488, 2185216, 2582528, 3550976, 7101952, 14203904, 28407808]

約数ペア:

[(1, 28407808), (2, 14203904), (4, 7101952), (8, 3550976), (11, 2582528), (13, 2185216), (16, 1775488), (22, 1291264), (26, 1092608), (32, 887744), (44, 645632), (52, 546304), (64, 443872), (88, 322816), (97, 292864), (104, 273152), (128, 221936), (143, 198656), (176, 161408), (194, 146432), (208, 136576), (256, 110968), (286, 99328), (352, 80704), (388, 73216), (416, 68288), (512, 55484), (572, 49664), (704, 40352), (776, 36608), (832, 34144), (1024, 27742), (1067, 26624), (1144, 24832), (1261, 22528), (1408, 20176), (1552, 18304), (1664, 17072), (2048, 13871), (2134, 13312), (2288, 12416), (2522, 11264), (2816, 10088), (3104, 9152), (3328, 8536), (4268, 6656), (4576, 6208), (5044, 5632)]