218816

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:288

約数の個数: 28

約数和(自身を含む): 469392

約数和(自身を除く): 250576

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 263, 416, 526, 832, 1052, 2104, 3419, 4208, 6838, 8416, 13676, 16832, 27352, 54704, 109408, 218816]

約数ペア:

[(1, 218816), (2, 109408), (4, 54704), (8, 27352), (13, 16832), (16, 13676), (26, 8416), (32, 6838), (52, 4208), (64, 3419), (104, 2104), (208, 1052), (263, 832), (416, 526)]