678289926

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{720053}}^1$

素因数の和:720215

約数の個数: 16

約数和(自身を含む): 1365222384

約数和(自身を除く): 686932458

約数列:

[1, 2, 3, 6, 157, 314, 471, 942, 720053, 1440106, 2160159, 4320318, 113048321, 226096642, 339144963, 678289926]

約数ペア:

[(1, 678289926), (2, 339144963), (3, 226096642), (6, 113048321), (157, 4320318), (314, 2160159), (471, 1440106), (942, 720053)]