201907811

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1\times {\mathrm{523}}^1$

素因数の和:1082

約数の個数: 16

約数和(自身を含む): 233511168

約数和(自身を除く): 31603357

約数列:

[1, 7, 131, 421, 523, 917, 2947, 3661, 55151, 68513, 220183, 386057, 479591, 1541281, 28843973, 201907811]

約数ペア:

[(1, 201907811), (7, 28843973), (131, 1541281), (421, 479591), (523, 386057), (917, 220183), (2947, 68513), (3661, 55151)]