81977744

素因数分解:

$2^4\times {\mathrm{701}}^1\times {\mathrm{7309}}^1$

素因数の和:8018

約数の個数: 20

約数和(自身を含む): 159080220

約数和(自身を除く): 77102476

約数列:

[1, 2, 4, 8, 16, 701, 1402, 2804, 5608, 7309, 11216, 14618, 29236, 58472, 116944, 5123609, 10247218, 20494436, 40988872, 81977744]

約数ペア:

[(1, 81977744), (2, 40988872), (4, 20494436), (8, 10247218), (16, 5123609), (701, 116944), (1402, 58472), (2804, 29236), (5608, 14618), (7309, 11216)]