257130796

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{8093}}^1$

素因数の和:8170

約数の個数: 36

約数和(自身を含む): 497683872

約数和(自身を除く): 240553076

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 169, 188, 338, 611, 676, 1222, 2444, 7943, 8093, 15886, 16186, 31772, 32372, 105209, 210418, 380371, 420836, 760742, 1367717, 1521484, 2735434, 4944823, 5470868, 9889646, 19779292, 64282699, 128565398, 257130796]

約数ペア:

[(1, 257130796), (2, 128565398), (4, 64282699), (13, 19779292), (26, 9889646), (47, 5470868), (52, 4944823), (94, 2735434), (169, 1521484), (188, 1367717), (338, 760742), (611, 420836), (676, 380371), (1222, 210418), (2444, 105209), (7943, 32372), (8093, 31772), (15886, 16186)]