2687156738

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1\times {\mathrm{541}}^1$

素因数の和:903

約数の個数: 64

約数和(自身を含む): 4945121280

約数和(自身を除く): 2257964542

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 263, 266, 497, 526, 541, 994, 1082, 1349, 1841, 2698, 3682, 3787, 4997, 7574, 9443, 9994, 10279, 18673, 18886, 20558, 34979, 37346, 38411, 69958, 71953, 76822, 130711, 142283, 143906, 261422, 268877, 284566, 354787, 537754, 709574, 729809, 995981, 1459618, 1991962, 2483509, 2703377, 4967018, 5108663, 5406754, 10102093, 10217326, 18923639, 20204186, 37847278, 70714651, 141429302, 191939767, 383879534, 1343578369, 2687156738]

約数ペア:

[(1, 2687156738), (2, 1343578369), (7, 383879534), (14, 191939767), (19, 141429302), (38, 70714651), (71, 37847278), (133, 20204186), (142, 18923639), (263, 10217326), (266, 10102093), (497, 5406754), (526, 5108663), (541, 4967018), (994, 2703377), (1082, 2483509), (1349, 1991962), (1841, 1459618), (2698, 995981), (3682, 729809), (3787, 709574), (4997, 537754), (7574, 354787), (9443, 284566), (9994, 268877), (10279, 261422), (18673, 143906), (18886, 142283), (20558, 130711), (34979, 76822), (37346, 71953), (38411, 69958)]