205991807

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{11437}}^1$

素因数の和:11558

約数の個数: 16

約数和(自身を含む): 245962752

約数和(自身を除く): 39970945

約数列:

[1, 7, 31, 83, 217, 581, 2573, 11437, 18011, 80059, 354547, 949271, 2481829, 6644897, 29427401, 205991807]

約数ペア:

[(1, 205991807), (7, 29427401), (31, 6644897), (83, 2481829), (217, 949271), (581, 354547), (2573, 80059), (11437, 18011)]