257915264

素因数分解:

$2^7\times {\mathrm{383}}^1\times {\mathrm{5261}}^1$

素因数の和:5658

約数の個数: 32

約数和(自身を含む): 515255040

約数和(自身を除く): 257339776

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 383, 766, 1532, 3064, 5261, 6128, 10522, 12256, 21044, 24512, 42088, 49024, 84176, 168352, 336704, 673408, 2014963, 4029926, 8059852, 16119704, 32239408, 64478816, 128957632, 257915264]

約数ペア:

[(1, 257915264), (2, 128957632), (4, 64478816), (8, 32239408), (16, 16119704), (32, 8059852), (64, 4029926), (128, 2014963), (383, 673408), (766, 336704), (1532, 168352), (3064, 84176), (5261, 49024), (6128, 42088), (10522, 24512), (12256, 21044)]