257506504

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{4909}}^1$

素因数の和:5077

約数の個数: 32

約数和(自身を含む): 494928000

約数和(自身を除く): 237421496

約数列:

[1, 2, 4, 8, 79, 83, 158, 166, 316, 332, 632, 664, 4909, 6557, 9818, 13114, 19636, 26228, 39272, 52456, 387811, 407447, 775622, 814894, 1551244, 1629788, 3102488, 3259576, 32188313, 64376626, 128753252, 257506504]

約数ペア:

[(1, 257506504), (2, 128753252), (4, 64376626), (8, 32188313), (79, 3259576), (83, 3102488), (158, 1629788), (166, 1551244), (316, 814894), (332, 775622), (632, 407447), (664, 387811), (4909, 52456), (6557, 39272), (9818, 26228), (13114, 19636)]