65290393

素因数分解:

$7^4\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:482

約数の個数: 20

約数和(自身を含む): 77442048

約数和(自身を除く): 12151655

約数列:

[1, 7, 49, 71, 343, 383, 497, 2401, 2681, 3479, 18767, 24353, 27193, 131369, 170471, 190351, 919583, 1332457, 9327199, 65290393]

約数ペア:

[(1, 65290393), (7, 9327199), (49, 1332457), (71, 919583), (343, 190351), (383, 170471), (497, 131369), (2401, 27193), (2681, 24353), (3479, 18767)]