28239904

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:258

約数の個数: 96

約数和(自身を含む): 70713216

約数和(自身を除く): 42473312

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 73, 77, 88, 112, 146, 154, 157, 176, 224, 292, 308, 314, 352, 511, 584, 616, 628, 803, 1022, 1099, 1168, 1232, 1256, 1606, 1727, 2044, 2198, 2336, 2464, 2512, 3212, 3454, 4088, 4396, 5024, 5621, 6424, 6908, 8176, 8792, 11242, 11461, 12089, 12848, 13816, 16352, 17584, 22484, 22922, 24178, 25696, 27632, 35168, 44968, 45844, 48356, 55264, 80227, 89936, 91688, 96712, 126071, 160454, 179872, 183376, 193424, 252142, 320908, 366752, 386848, 504284, 641816, 882497, 1008568, 1283632, 1764994, 2017136, 2567264, 3529988, 4034272, 7059976, 14119952, 28239904]

約数ペア:

[(1, 28239904), (2, 14119952), (4, 7059976), (7, 4034272), (8, 3529988), (11, 2567264), (14, 2017136), (16, 1764994), (22, 1283632), (28, 1008568), (32, 882497), (44, 641816), (56, 504284), (73, 386848), (77, 366752), (88, 320908), (112, 252142), (146, 193424), (154, 183376), (157, 179872), (176, 160454), (224, 126071), (292, 96712), (308, 91688), (314, 89936), (352, 80227), (511, 55264), (584, 48356), (616, 45844), (628, 44968), (803, 35168), (1022, 27632), (1099, 25696), (1168, 24178), (1232, 22922), (1256, 22484), (1606, 17584), (1727, 16352), (2044, 13816), (2198, 12848), (2336, 12089), (2464, 11461), (2512, 11242), (3212, 8792), (3454, 8176), (4088, 6908), (4396, 6424), (5024, 5621)]