1275986866

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{103}}^2$

素因数の和:308

約数の個数: 72

約数和(自身を含む): 2462104512

約数和(自身を除く): 1186117646

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 103, 121, 142, 154, 206, 242, 497, 721, 781, 847, 994, 1133, 1442, 1562, 1694, 2266, 5467, 7313, 7931, 8591, 10609, 10934, 12463, 14626, 15862, 17182, 21218, 24926, 51191, 60137, 74263, 80443, 87241, 102382, 116699, 120274, 148526, 160886, 174482, 233398, 563101, 753239, 816893, 884873, 1126202, 1283689, 1506478, 1633786, 1769746, 2567378, 5272673, 6194111, 8285629, 8985823, 10545346, 12388222, 16571258, 17971646, 57999403, 91141919, 115998806, 182283838, 637993433, 1275986866]

約数ペア:

[(1, 1275986866), (2, 637993433), (7, 182283838), (11, 115998806), (14, 91141919), (22, 57999403), (71, 17971646), (77, 16571258), (103, 12388222), (121, 10545346), (142, 8985823), (154, 8285629), (206, 6194111), (242, 5272673), (497, 2567378), (721, 1769746), (781, 1633786), (847, 1506478), (994, 1283689), (1133, 1126202), (1442, 884873), (1562, 816893), (1694, 753239), (2266, 563101), (5467, 233398), (7313, 174482), (7931, 160886), (8591, 148526), (10609, 120274), (10934, 116699), (12463, 102382), (14626, 87241), (15862, 80443), (17182, 74263), (21218, 60137), (24926, 51191)]