256572017

素因数分解:

${\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1\times {\mathrm{743}}^1$

素因数の和:1120

約数の個数: 16

約数和(自身を含む): 280482048

約数和(自身を除く): 23910031

約数列:

[1, 13, 101, 263, 743, 1313, 3419, 9659, 26563, 75043, 195409, 345319, 975559, 2540317, 19736309, 256572017]

約数ペア:

[(1, 256572017), (13, 19736309), (101, 2540317), (263, 975559), (743, 345319), (1313, 195409), (3419, 75043), (9659, 26563)]