257085894

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1289}}^1\times {\mathrm{2557}}^1$

素因数の和:3864

約数の個数: 32

約数和(自身を含む): 554369760

約数和(自身を除く): 297283866

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1289, 2557, 2578, 3867, 5114, 7671, 7734, 15342, 16757, 33241, 33514, 50271, 66482, 99723, 100542, 199446, 3295973, 6591946, 9887919, 19775838, 42847649, 85695298, 128542947, 257085894]

約数ペア:

[(1, 257085894), (2, 128542947), (3, 85695298), (6, 42847649), (13, 19775838), (26, 9887919), (39, 6591946), (78, 3295973), (1289, 199446), (2557, 100542), (2578, 99723), (3867, 66482), (5114, 50271), (7671, 33514), (7734, 33241), (15342, 16757)]