206611559

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{857}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 268849152

約数和(自身を除く): 62237593

約数列:

[1, 7, 11, 31, 77, 101, 217, 341, 707, 857, 1111, 2387, 3131, 5999, 7777, 9427, 21917, 26567, 34441, 65989, 86557, 185969, 241087, 292237, 605899, 952127, 2045659, 2683267, 6664889, 18782869, 29515937, 206611559]

約数ペア:

[(1, 206611559), (7, 29515937), (11, 18782869), (31, 6664889), (77, 2683267), (101, 2045659), (217, 952127), (341, 605899), (707, 292237), (857, 241087), (1111, 185969), (2387, 86557), (3131, 65989), (5999, 34441), (7777, 26567), (9427, 21917)]