11765978

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:195

約数の個数: 48

約数和(自身を含む): 22161600

約数和(自身を除く): 10395622

約数列:

[1, 2, 7, 14, 19, 38, 49, 71, 89, 98, 133, 142, 178, 266, 497, 623, 931, 994, 1246, 1349, 1691, 1862, 2698, 3382, 3479, 4361, 6319, 6958, 8722, 9443, 11837, 12638, 18886, 23674, 44233, 66101, 82859, 88466, 120061, 132202, 165718, 240122, 309631, 619262, 840427, 1680854, 5882989, 11765978]

約数ペア:

[(1, 11765978), (2, 5882989), (7, 1680854), (14, 840427), (19, 619262), (38, 309631), (49, 240122), (71, 165718), (89, 132202), (98, 120061), (133, 88466), (142, 82859), (178, 66101), (266, 44233), (497, 23674), (623, 18886), (931, 12638), (994, 11837), (1246, 9443), (1349, 8722), (1691, 6958), (1862, 6319), (2698, 4361), (3382, 3479)]