1961729

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 2486400

約数和(自身を除く): 524671

約数列:

[1, 7, 11, 73, 77, 349, 511, 803, 2443, 3839, 5621, 25477, 26873, 178339, 280247, 1961729]

約数ペア:

[(1, 1961729), (7, 280247), (11, 178339), (73, 26873), (77, 25477), (349, 5621), (511, 3839), (803, 2443)]