68220488

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{661}}^1$

素因数の和:790

約数の個数: 64

約数和(自身を含む): 155702400

約数和(自身を除く): 87481912

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 97, 133, 152, 194, 266, 388, 532, 661, 679, 776, 1064, 1322, 1358, 1843, 2644, 2716, 3686, 4627, 5288, 5432, 7372, 9254, 12559, 12901, 14744, 18508, 25118, 25802, 37016, 50236, 51604, 64117, 87913, 100472, 103208, 128234, 175826, 256468, 351652, 448819, 512936, 703304, 897638, 1218223, 1795276, 2436446, 3590552, 4872892, 8527561, 9745784, 17055122, 34110244, 68220488]

約数ペア:

[(1, 68220488), (2, 34110244), (4, 17055122), (7, 9745784), (8, 8527561), (14, 4872892), (19, 3590552), (28, 2436446), (38, 1795276), (56, 1218223), (76, 897638), (97, 703304), (133, 512936), (152, 448819), (194, 351652), (266, 256468), (388, 175826), (532, 128234), (661, 103208), (679, 100472), (776, 87913), (1064, 64117), (1322, 51604), (1358, 50236), (1843, 37016), (2644, 25802), (2716, 25118), (3686, 18508), (4627, 14744), (5288, 12901), (5432, 12559), (7372, 9254)]