257729537

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{5527}}^1$

素因数の和:5768

約数の個数: 16

約数和(自身を含む): 295327872

約数和(自身を除く): 37598335

約数列:

[1, 13, 17, 211, 221, 2743, 3587, 5527, 46631, 71851, 93959, 1166197, 1221467, 15160561, 19825349, 257729537]

約数ペア:

[(1, 257729537), (13, 19825349), (17, 15160561), (211, 1221467), (221, 1166197), (2743, 93959), (3587, 71851), (5527, 46631)]