278314816

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{334513}}^1$

素因数の和:334538

約数の個数: 28

約数和(自身を含む): 594765892

約数和(自身を除く): 316451076

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 334513, 669026, 1338052, 2676104, 4348669, 5352208, 8697338, 10704416, 17394676, 21408832, 34789352, 69578704, 139157408, 278314816]

約数ペア:

[(1, 278314816), (2, 139157408), (4, 69578704), (8, 34789352), (13, 21408832), (16, 17394676), (26, 10704416), (32, 8697338), (52, 5352208), (64, 4348669), (104, 2676104), (208, 1338052), (416, 669026), (832, 334513)]