28851576

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 84940800

約数和(自身を除く): 56089224

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 31, 38, 39, 52, 57, 62, 76, 78, 93, 104, 114, 124, 152, 156, 157, 186, 228, 247, 248, 312, 314, 372, 403, 456, 471, 494, 589, 628, 741, 744, 806, 942, 988, 1178, 1209, 1256, 1482, 1612, 1767, 1884, 1976, 2041, 2356, 2418, 2964, 2983, 3224, 3534, 3768, 4082, 4712, 4836, 4867, 5928, 5966, 6123, 7068, 7657, 8164, 8949, 9672, 9734, 11932, 12246, 14136, 14601, 15314, 16328, 17898, 19468, 22971, 23864, 24492, 29202, 30628, 35796, 38779, 38936, 45942, 48984, 58404, 61256, 63271, 71592, 77558, 91884, 92473, 116337, 116808, 126542, 155116, 183768, 184946, 189813, 232674, 253084, 277419, 310232, 369892, 379626, 465348, 506168, 554838, 739784, 759252, 930696, 1109676, 1202149, 1518504, 2219352, 2404298, 3606447, 4808596, 7212894, 9617192, 14425788, 28851576]

約数ペア:

[(1, 28851576), (2, 14425788), (3, 9617192), (4, 7212894), (6, 4808596), (8, 3606447), (12, 2404298), (13, 2219352), (19, 1518504), (24, 1202149), (26, 1109676), (31, 930696), (38, 759252), (39, 739784), (52, 554838), (57, 506168), (62, 465348), (76, 379626), (78, 369892), (93, 310232), (104, 277419), (114, 253084), (124, 232674), (152, 189813), (156, 184946), (157, 183768), (186, 155116), (228, 126542), (247, 116808), (248, 116337), (312, 92473), (314, 91884), (372, 77558), (403, 71592), (456, 63271), (471, 61256), (494, 58404), (589, 48984), (628, 45942), (741, 38936), (744, 38779), (806, 35796), (942, 30628), (988, 29202), (1178, 24492), (1209, 23864), (1256, 22971), (1482, 19468), (1612, 17898), (1767, 16328), (1884, 15314), (1976, 14601), (2041, 14136), (2356, 12246), (2418, 11932), (2964, 9734), (2983, 9672), (3224, 8949), (3534, 8164), (3768, 7657), (4082, 7068), (4712, 6123), (4836, 5966), (4867, 5928)]