257831284

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{733}}^1\times {\mathrm{1871}}^1$

素因数の和:2655

約数の個数: 24

約数和(自身を含む): 461680128

約数和(自身を除く): 203848844

約数列:

[1, 2, 4, 47, 94, 188, 733, 1466, 1871, 2932, 3742, 7484, 34451, 68902, 87937, 137804, 175874, 351748, 1371443, 2742886, 5485772, 64457821, 128915642, 257831284]

約数ペア:

[(1, 257831284), (2, 128915642), (4, 64457821), (47, 5485772), (94, 2742886), (188, 1371443), (733, 351748), (1466, 175874), (1871, 137804), (2932, 87937), (3742, 68902), (7484, 34451)]