201990512969

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{9216157}}^1$

素因数の和:9216296

約数の個数: 16

約数和(自身を含む): 240652317696

約数和(自身を除く): 38661804727

約数列:

[1, 7, 31, 101, 217, 707, 3131, 21917, 9216157, 64513099, 285700867, 930831857, 1999906069, 6515822999, 28855787567, 201990512969]

約数ペア:

[(1, 201990512969), (7, 28855787567), (31, 6515822999), (101, 1999906069), (217, 930831857), (707, 285700867), (3131, 64513099), (21917, 9216157)]