256754519

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{32203}}^1$

素因数の和:32294

約数の個数: 16

約数和(自身を含む): 315341568

約数和(自身を除く): 58587049

約数列:

[1, 7, 17, 67, 119, 469, 1139, 7973, 32203, 225421, 547451, 2157601, 3832157, 15103207, 36679217, 256754519]

約数ペア:

[(1, 256754519), (7, 36679217), (17, 15103207), (67, 3832157), (119, 2157601), (469, 547451), (1139, 225421), (7973, 32203)]