201981143

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{76537}}^1$

素因数の和:76586

約数の個数: 16

約数和(自身を含む): 257167680

約数和(自身を除く): 55186537

約数列:

[1, 7, 13, 29, 91, 203, 377, 2639, 76537, 535759, 994981, 2219573, 6964867, 15537011, 28854449, 201981143]

約数ペア:

[(1, 201981143), (7, 28854449), (13, 15537011), (29, 6964867), (91, 2219573), (203, 994981), (377, 535759), (2639, 76537)]