68306824

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 140616000

約数和(自身を除く): 72309176

約数列:

[1, 2, 4, 8, 19, 38, 53, 61, 76, 106, 122, 139, 152, 212, 244, 278, 424, 488, 556, 1007, 1112, 1159, 2014, 2318, 2641, 3233, 4028, 4636, 5282, 6466, 7367, 8056, 8479, 9272, 10564, 12932, 14734, 16958, 21128, 25864, 29468, 33916, 58936, 61427, 67832, 122854, 139973, 161101, 245708, 279946, 322202, 449387, 491416, 559892, 644404, 898774, 1119784, 1288808, 1797548, 3595096, 8538353, 17076706, 34153412, 68306824]

約数ペア:

[(1, 68306824), (2, 34153412), (4, 17076706), (8, 8538353), (19, 3595096), (38, 1797548), (53, 1288808), (61, 1119784), (76, 898774), (106, 644404), (122, 559892), (139, 491416), (152, 449387), (212, 322202), (244, 279946), (278, 245708), (424, 161101), (488, 139973), (556, 122854), (1007, 67832), (1112, 61427), (1159, 58936), (2014, 33916), (2318, 29468), (2641, 25864), (3233, 21128), (4028, 16958), (4636, 14734), (5282, 12932), (6466, 10564), (7367, 9272), (8056, 8479)]