643070292473

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2196781}}^1$

素因数の和:2196909

約数の個数: 32

約数和(自身を含む): 809821716480

約数和(自身を除く): 166751424007

約数列:

[1, 7, 19, 31, 71, 133, 217, 497, 589, 1349, 2201, 4123, 9443, 15407, 41819, 292733, 2196781, 15377467, 41738839, 68100211, 155971451, 292171873, 476701477, 1091800157, 1293904009, 2963457569, 4835114981, 9057328063, 20744202983, 33845804867, 91867184639, 643070292473]

約数ペア:

[(1, 643070292473), (7, 91867184639), (19, 33845804867), (31, 20744202983), (71, 9057328063), (133, 4835114981), (217, 2963457569), (497, 1293904009), (589, 1091800157), (1349, 476701477), (2201, 292171873), (4123, 155971451), (9443, 68100211), (15407, 41738839), (41819, 15377467), (292733, 2196781)]