201991511

素因数分解:

${\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1\times {\mathrm{281}}^1$

素因数の和:626

約数の個数: 16

約数和(自身を含む): 211184160

約数和(自身を除く): 9192649

約数列:

[1, 43, 73, 229, 281, 3139, 9847, 12083, 16717, 20513, 64349, 718831, 882059, 2767007, 4697477, 201991511]

約数ペア:

[(1, 201991511), (43, 4697477), (73, 2767007), (229, 882059), (281, 718831), (3139, 64349), (9847, 20513), (12083, 16717)]