66761816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{12437}}^1$

素因数の和:12515

約数の個数: 32

約数和(自身を含む): 138808080

約数和(自身を除く): 72046264

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 5368, 12437, 24874, 49748, 99496, 136807, 273614, 547228, 758657, 1094456, 1517314, 3034628, 6069256, 8345227, 16690454, 33380908, 66761816]

約数ペア:

[(1, 66761816), (2, 33380908), (4, 16690454), (8, 8345227), (11, 6069256), (22, 3034628), (44, 1517314), (61, 1094456), (88, 758657), (122, 547228), (244, 273614), (488, 136807), (671, 99496), (1342, 49748), (2684, 24874), (5368, 12437)]