2128256

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1306

約数の個数: 32

約数和(自身を含む): 4569600

約数和(自身を除く): 2441344

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1279, 1664, 2558, 5116, 10232, 16627, 20464, 33254, 40928, 66508, 81856, 133016, 163712, 266032, 532064, 1064128, 2128256]

約数ペア:

[(1, 2128256), (2, 1064128), (4, 532064), (8, 266032), (13, 163712), (16, 133016), (26, 81856), (32, 66508), (52, 40928), (64, 33254), (104, 20464), (128, 16627), (208, 10232), (416, 5116), (832, 2558), (1279, 1664)]