201991699

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{76541}}^1$

素因数の和:76590

約数の個数: 16

約数和(自身を含む): 257181120

約数和(自身を除く): 55189421

約数列:

[1, 7, 13, 29, 91, 203, 377, 2639, 76541, 535787, 995033, 2219689, 6965231, 15537823, 28855957, 201991699]

約数ペア:

[(1, 201991699), (7, 28855957), (13, 15537823), (29, 6965231), (91, 2219689), (203, 995033), (377, 535787), (2639, 76541)]