68091128

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 153323520

約数和(自身を除く): 85232392

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 61, 62, 122, 124, 217, 244, 248, 427, 434, 488, 643, 854, 868, 1286, 1708, 1736, 1891, 2572, 3416, 3782, 4501, 5144, 7564, 9002, 13237, 15128, 18004, 19933, 26474, 36008, 39223, 39866, 52948, 78446, 79732, 105896, 139531, 156892, 159464, 274561, 279062, 313784, 549122, 558124, 1098244, 1116248, 1215913, 2196488, 2431826, 4863652, 8511391, 9727304, 17022782, 34045564, 68091128]

約数ペア:

[(1, 68091128), (2, 34045564), (4, 17022782), (7, 9727304), (8, 8511391), (14, 4863652), (28, 2431826), (31, 2196488), (56, 1215913), (61, 1116248), (62, 1098244), (122, 558124), (124, 549122), (217, 313784), (244, 279062), (248, 274561), (427, 159464), (434, 156892), (488, 139531), (643, 105896), (854, 79732), (868, 78446), (1286, 52948), (1708, 39866), (1736, 39223), (1891, 36008), (2572, 26474), (3416, 19933), (3782, 18004), (4501, 15128), (5144, 13237), (7564, 9002)]