688889216

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{131267}}^1$

素因数の和:131322

約数の個数: 32

約数和(自身を含む): 1405880280

約数和(自身を除く): 716991064

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 328, 656, 1312, 2624, 5248, 131267, 262534, 525068, 1050136, 2100272, 4200544, 5381947, 8401088, 10763894, 16802176, 21527788, 43055576, 86111152, 172222304, 344444608, 688889216]

約数ペア:

[(1, 688889216), (2, 344444608), (4, 172222304), (8, 86111152), (16, 43055576), (32, 21527788), (41, 16802176), (64, 10763894), (82, 8401088), (128, 5381947), (164, 4200544), (328, 2100272), (656, 1050136), (1312, 525068), (2624, 262534), (5248, 131267)]