198982007

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1\times {\mathrm{1039}}^1$

素因数の和:1406

約数の個数: 16

約数和(自身を含む): 230630400

約数和(自身を除く): 31648393

約数列:

[1, 7, 109, 251, 763, 1039, 1757, 7273, 27359, 113251, 191513, 260789, 792757, 1825523, 28426001, 198982007]

約数ペア:

[(1, 198982007), (7, 28426001), (109, 1825523), (251, 792757), (763, 260789), (1039, 191513), (1757, 113251), (7273, 27359)]