2905390257

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{8291}}^1$

素因数の和:8390

約数の個数: 64

約数和(自身を含む): 5081868288

約数和(自身を除く): 2176478031

約数列:

[1, 3, 7, 11, 21, 33, 37, 41, 77, 111, 123, 231, 259, 287, 407, 451, 777, 861, 1221, 1353, 1517, 2849, 3157, 4551, 8291, 8547, 9471, 10619, 16687, 24873, 31857, 50061, 58037, 91201, 116809, 174111, 273603, 306767, 339931, 350427, 638407, 920301, 1019793, 1915221, 2147369, 2379517, 3374437, 3739241, 6442107, 7138551, 10123311, 11217723, 12577447, 23621059, 26174687, 37732341, 70863177, 78524061, 88042129, 138351917, 264126387, 415055751, 968463419, 2905390257]

約数ペア:

[(1, 2905390257), (3, 968463419), (7, 415055751), (11, 264126387), (21, 138351917), (33, 88042129), (37, 78524061), (41, 70863177), (77, 37732341), (111, 26174687), (123, 23621059), (231, 12577447), (259, 11217723), (287, 10123311), (407, 7138551), (451, 6442107), (777, 3739241), (861, 3374437), (1221, 2379517), (1353, 2147369), (1517, 1915221), (2849, 1019793), (3157, 920301), (4551, 638407), (8291, 350427), (8547, 339931), (9471, 306767), (10619, 273603), (16687, 174111), (24873, 116809), (31857, 91201), (50061, 58037)]