257278459

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{7789}}^1$

素因数の和:7902

約数の個数: 16

約数和(自身を含む): 286048800

約数和(自身を除く): 28770341

約数列:

[1, 17, 29, 67, 493, 1139, 1943, 7789, 33031, 132413, 225881, 521863, 3839977, 8871671, 15134027, 257278459]

約数ペア:

[(1, 257278459), (17, 15134027), (29, 8871671), (67, 3839977), (493, 521863), (1139, 225881), (1943, 132413), (7789, 33031)]