380267881

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1709}}^1$

素因数の和:1981

約数の個数: 24

約数和(自身を含む): 467856000

約数和(自身を除く): 87588119

約数列:

[1, 7, 19, 49, 133, 239, 931, 1673, 1709, 4541, 11711, 11963, 31787, 32471, 83741, 222509, 227297, 408451, 1591079, 2859157, 7760569, 20014099, 54323983, 380267881]

約数ペア:

[(1, 380267881), (7, 54323983), (19, 20014099), (49, 7760569), (133, 2859157), (239, 1591079), (931, 408451), (1673, 227297), (1709, 222509), (4541, 83741), (11711, 32471), (11963, 31787)]