198589910

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{1097}}^1$

素因数の和:1568

約数の個数: 32

約数和(自身を含む): 366977952

約数和(自身を除く): 168388042

約数列:

[1, 2, 5, 10, 43, 86, 215, 421, 430, 842, 1097, 2105, 2194, 4210, 5485, 10970, 18103, 36206, 47171, 90515, 94342, 181030, 235855, 461837, 471710, 923674, 2309185, 4618370, 19858991, 39717982, 99294955, 198589910]

約数ペア:

[(1, 198589910), (2, 99294955), (5, 39717982), (10, 19858991), (43, 4618370), (86, 2309185), (215, 923674), (421, 471710), (430, 461837), (842, 235855), (1097, 181030), (2105, 94342), (2194, 90515), (4210, 47171), (5485, 36206), (10970, 18103)]