257313887

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1\times {\mathrm{1031}}^1$

素因数の和:1378

約数の個数: 16

約数和(自身を含む): 278862912

約数和(自身を除く): 21549025

約数列:

[1, 17, 53, 277, 901, 1031, 4709, 14681, 17527, 54643, 249577, 285587, 928931, 4854979, 15136111, 257313887]

約数ペア:

[(1, 257313887), (17, 15136111), (53, 4854979), (277, 928931), (901, 285587), (1031, 249577), (4709, 54643), (14681, 17527)]