71814428

素因数分解:

$2^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{7349}}^1$

素因数の和:7709

約数の個数: 24

約数和(自身を含む): 144060000

約数和(自身を除く): 72245572

約数列:

[1, 2, 4, 7, 14, 28, 349, 698, 1396, 2443, 4886, 7349, 9772, 14698, 29396, 51443, 102886, 205772, 2564801, 5129602, 10259204, 17953607, 35907214, 71814428]

約数ペア:

[(1, 71814428), (2, 35907214), (4, 17953607), (7, 10259204), (14, 5129602), (28, 2564801), (349, 205772), (698, 102886), (1396, 51443), (2443, 29396), (4886, 14698), (7349, 9772)]