8651163472

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1266271}}^1$

素因数の和:1266347

約数の個数: 40

約数和(自身を含む): 19470198272

約数和(自身を除く): 10819034800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 3416, 6832, 1266271, 2532542, 5065084, 8863897, 10130168, 17727794, 20260336, 35455588, 70911176, 77242531, 141822352, 154485062, 308970124, 540697717, 617940248, 1081395434, 1235880496, 2162790868, 4325581736, 8651163472]

約数ペア:

[(1, 8651163472), (2, 4325581736), (4, 2162790868), (7, 1235880496), (8, 1081395434), (14, 617940248), (16, 540697717), (28, 308970124), (56, 154485062), (61, 141822352), (112, 77242531), (122, 70911176), (244, 35455588), (427, 20260336), (488, 17727794), (854, 10130168), (976, 8863897), (1708, 5065084), (3416, 2532542), (6832, 1266271)]