256181523

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{439}}^1\times {\mathrm{1151}}^1$

素因数の和:1619

約数の個数: 24

約数和(自身を含む): 371036160

約数和(自身を除く): 114854637

約数列:

[1, 3, 13, 39, 169, 439, 507, 1151, 1317, 3453, 5707, 14963, 17121, 44889, 74191, 194519, 222573, 505289, 583557, 1515867, 6568757, 19706271, 85393841, 256181523]

約数ペア:

[(1, 256181523), (3, 85393841), (13, 19706271), (39, 6568757), (169, 1515867), (439, 583557), (507, 505289), (1151, 222573), (1317, 194519), (3453, 74191), (5707, 44889), (14963, 17121)]