221750291

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{5237}}^1$

素因数の和:5530

約数の個数: 16

約数和(自身を含む): 265503744

約数和(自身を除く): 43753453

約数列:

[1, 7, 23, 161, 263, 1841, 5237, 6049, 36659, 42343, 120451, 843157, 1377331, 9641317, 31678613, 221750291]

約数ペア:

[(1, 221750291), (7, 31678613), (23, 9641317), (161, 1377331), (263, 843157), (1841, 120451), (5237, 42343), (6049, 36659)]