68450430464

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{19739}}^1$

素因数の和:20291

約数の個数: 80

約数和(自身を含む): 147577898160

約数和(自身を除く): 79127467696

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 521, 832, 1042, 1664, 2084, 3328, 4168, 6656, 6773, 8336, 13546, 16672, 19739, 27092, 33344, 39478, 54184, 66688, 78956, 108368, 133376, 157912, 216736, 256607, 266752, 315824, 433472, 513214, 631648, 866944, 1026428, 1263296, 1733888, 2052856, 2526592, 3467776, 4105712, 5053184, 8211424, 10106368, 10284019, 16422848, 20568038, 32845696, 41136076, 65691392, 82272152, 131382784, 133692247, 164544304, 267384494, 329088608, 534768988, 658177216, 1069537976, 1316354432, 2139075952, 2632708864, 4278151904, 5265417728, 8556303808, 17112607616, 34225215232, 68450430464]

約数ペア:

[(1, 68450430464), (2, 34225215232), (4, 17112607616), (8, 8556303808), (13, 5265417728), (16, 4278151904), (26, 2632708864), (32, 2139075952), (52, 1316354432), (64, 1069537976), (104, 658177216), (128, 534768988), (208, 329088608), (256, 267384494), (416, 164544304), (512, 133692247), (521, 131382784), (832, 82272152), (1042, 65691392), (1664, 41136076), (2084, 32845696), (3328, 20568038), (4168, 16422848), (6656, 10284019), (6773, 10106368), (8336, 8211424), (13546, 5053184), (16672, 4105712), (19739, 3467776), (27092, 2526592), (33344, 2052856), (39478, 1733888), (54184, 1263296), (66688, 1026428), (78956, 866944), (108368, 631648), (133376, 513214), (157912, 433472), (216736, 315824), (256607, 266752)]