1781118064

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1181}}^1$

素因数の和:1271

約数の個数: 120

約数和(自身を含む): 4093644240

約数和(自身を除く): 2312526176

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 41, 44, 76, 82, 88, 121, 152, 164, 176, 209, 242, 304, 328, 418, 451, 484, 656, 779, 836, 902, 968, 1181, 1558, 1672, 1804, 1936, 2299, 2362, 3116, 3344, 3608, 4598, 4724, 4961, 6232, 7216, 8569, 9196, 9448, 9922, 12464, 12991, 17138, 18392, 18896, 19844, 22439, 25982, 34276, 36784, 39688, 44878, 48421, 51964, 68552, 79376, 89756, 94259, 96842, 103928, 137104, 142901, 179512, 188518, 193684, 207856, 246829, 285802, 359024, 377036, 387368, 493658, 532631, 571604, 754072, 774736, 919999, 987316, 1065262, 1143208, 1508144, 1839998, 1974632, 2130524, 2286416, 2715119, 3679996, 3949264, 4261048, 5430238, 5858941, 7359992, 8522096, 10119989, 10860476, 11717882, 14719984, 20239978, 21720952, 23435764, 40479956, 43441904, 46871528, 80959912, 93743056, 111319879, 161919824, 222639758, 445279516, 890559032, 1781118064]

約数ペア:

[(1, 1781118064), (2, 890559032), (4, 445279516), (8, 222639758), (11, 161919824), (16, 111319879), (19, 93743056), (22, 80959912), (38, 46871528), (41, 43441904), (44, 40479956), (76, 23435764), (82, 21720952), (88, 20239978), (121, 14719984), (152, 11717882), (164, 10860476), (176, 10119989), (209, 8522096), (242, 7359992), (304, 5858941), (328, 5430238), (418, 4261048), (451, 3949264), (484, 3679996), (656, 2715119), (779, 2286416), (836, 2130524), (902, 1974632), (968, 1839998), (1181, 1508144), (1558, 1143208), (1672, 1065262), (1804, 987316), (1936, 919999), (2299, 774736), (2362, 754072), (3116, 571604), (3344, 532631), (3608, 493658), (4598, 387368), (4724, 377036), (4961, 359024), (6232, 285802), (7216, 246829), (8569, 207856), (9196, 193684), (9448, 188518), (9922, 179512), (12464, 142901), (12991, 137104), (17138, 103928), (18392, 96842), (18896, 94259), (19844, 89756), (22439, 79376), (25982, 68552), (34276, 51964), (36784, 48421), (39688, 44878)]