201215281078

素因数分解:

$2^1\times 7^1\times {\mathrm{21521}}^1\times {\mathrm{667837}}^1$

素因数の和:689367

約数の個数: 16

約数和(自身を含む): 344957026464

約数和(自身を除く): 143741745386

約数列:

[1, 2, 7, 14, 21521, 43042, 150647, 301294, 667837, 1335674, 4674859, 9349718, 14372520077, 28745040154, 100607640539, 201215281078]

約数ペア:

[(1, 201215281078), (2, 100607640539), (7, 28745040154), (14, 14372520077), (21521, 9349718), (43042, 4674859), (150647, 1335674), (301294, 667837)]