31721536

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:228

約数の個数: 112

約数和(自身を含む): 80906112

約数和(自身を除く): 49184576

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 41, 44, 56, 64, 77, 82, 88, 112, 154, 157, 164, 176, 224, 287, 308, 314, 328, 352, 448, 451, 574, 616, 628, 656, 704, 902, 1099, 1148, 1232, 1256, 1312, 1727, 1804, 2198, 2296, 2464, 2512, 2624, 3157, 3454, 3608, 4396, 4592, 4928, 5024, 6314, 6437, 6908, 7216, 8792, 9184, 10048, 12089, 12628, 12874, 13816, 14432, 17584, 18368, 24178, 25256, 25748, 27632, 28864, 35168, 45059, 48356, 50512, 51496, 55264, 70336, 70807, 90118, 96712, 101024, 102992, 110528, 141614, 180236, 193424, 202048, 205984, 283228, 360472, 386848, 411968, 495649, 566456, 720944, 773696, 991298, 1132912, 1441888, 1982596, 2265824, 2883776, 3965192, 4531648, 7930384, 15860768, 31721536]

約数ペア:

[(1, 31721536), (2, 15860768), (4, 7930384), (7, 4531648), (8, 3965192), (11, 2883776), (14, 2265824), (16, 1982596), (22, 1441888), (28, 1132912), (32, 991298), (41, 773696), (44, 720944), (56, 566456), (64, 495649), (77, 411968), (82, 386848), (88, 360472), (112, 283228), (154, 205984), (157, 202048), (164, 193424), (176, 180236), (224, 141614), (287, 110528), (308, 102992), (314, 101024), (328, 96712), (352, 90118), (448, 70807), (451, 70336), (574, 55264), (616, 51496), (628, 50512), (656, 48356), (704, 45059), (902, 35168), (1099, 28864), (1148, 27632), (1232, 25748), (1256, 25256), (1312, 24178), (1727, 18368), (1804, 17584), (2198, 14432), (2296, 13816), (2464, 12874), (2512, 12628), (2624, 12089), (3157, 10048), (3454, 9184), (3608, 8792), (4396, 7216), (4592, 6908), (4928, 6437), (5024, 6314)]