1997341346

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{32183}}^1$

素因数の和:32247

約数の個数: 64

約数和(自身を含む): 4152508416

約数和(自身を除く): 2155167070

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 31, 62, 77, 91, 143, 154, 182, 217, 286, 341, 403, 434, 682, 806, 1001, 2002, 2387, 2821, 4433, 4774, 5642, 8866, 31031, 32183, 62062, 64366, 225281, 354013, 418379, 450562, 708026, 836758, 997673, 1995346, 2478091, 2928653, 4602169, 4956182, 5857306, 6983711, 9204338, 10974403, 12969749, 13967422, 21948806, 25939498, 32215183, 64430366, 76820821, 90788243, 142667239, 153641642, 181576486, 285334478, 998670673, 1997341346]

約数ペア:

[(1, 1997341346), (2, 998670673), (7, 285334478), (11, 181576486), (13, 153641642), (14, 142667239), (22, 90788243), (26, 76820821), (31, 64430366), (62, 32215183), (77, 25939498), (91, 21948806), (143, 13967422), (154, 12969749), (182, 10974403), (217, 9204338), (286, 6983711), (341, 5857306), (403, 4956182), (434, 4602169), (682, 2928653), (806, 2478091), (1001, 1995346), (2002, 997673), (2387, 836758), (2821, 708026), (4433, 450562), (4774, 418379), (5642, 354013), (8866, 225281), (31031, 64366), (32183, 62062)]