85281728

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:314

約数の個数: 112

約数和(自身を含む): 209214720

約数和(自身を除く): 123932992

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 43, 56, 64, 76, 86, 112, 133, 152, 172, 224, 233, 266, 301, 304, 344, 448, 466, 532, 602, 608, 688, 817, 932, 1064, 1204, 1216, 1376, 1631, 1634, 1864, 2128, 2408, 2752, 3262, 3268, 3728, 4256, 4427, 4816, 5719, 6524, 6536, 7456, 8512, 8854, 9632, 10019, 11438, 13048, 13072, 14912, 17708, 19264, 20038, 22876, 26096, 26144, 30989, 35416, 40076, 45752, 52192, 52288, 61978, 70133, 70832, 80152, 91504, 104384, 123956, 140266, 141664, 160304, 183008, 190361, 247912, 280532, 283328, 320608, 366016, 380722, 495824, 561064, 641216, 761444, 991648, 1122128, 1332527, 1522888, 1983296, 2244256, 2665054, 3045776, 4488512, 5330108, 6091552, 10660216, 12183104, 21320432, 42640864, 85281728]

約数ペア:

[(1, 85281728), (2, 42640864), (4, 21320432), (7, 12183104), (8, 10660216), (14, 6091552), (16, 5330108), (19, 4488512), (28, 3045776), (32, 2665054), (38, 2244256), (43, 1983296), (56, 1522888), (64, 1332527), (76, 1122128), (86, 991648), (112, 761444), (133, 641216), (152, 561064), (172, 495824), (224, 380722), (233, 366016), (266, 320608), (301, 283328), (304, 280532), (344, 247912), (448, 190361), (466, 183008), (532, 160304), (602, 141664), (608, 140266), (688, 123956), (817, 104384), (932, 91504), (1064, 80152), (1204, 70832), (1216, 70133), (1376, 61978), (1631, 52288), (1634, 52192), (1864, 45752), (2128, 40076), (2408, 35416), (2752, 30989), (3262, 26144), (3268, 26096), (3728, 22876), (4256, 20038), (4427, 19264), (4816, 17708), (5719, 14912), (6524, 13072), (6536, 13048), (7456, 11438), (8512, 10019), (8854, 9632)]