91638352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{440569}}^1$

素因数の和:440590

約数の個数: 20

約数和(自身を含む): 191207380

約数和(自身を除く): 99569028

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 440569, 881138, 1762276, 3524552, 5727397, 7049104, 11454794, 22909588, 45819176, 91638352]

約数ペア:

[(1, 91638352), (2, 45819176), (4, 22909588), (8, 11454794), (13, 7049104), (16, 5727397), (26, 3524552), (52, 1762276), (104, 881138), (208, 440569)]