1289367056

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{4241339}}^1$

素因数の和:4241366

約数の個数: 20

約数和(自身を含む): 2629630800

約数和(自身を除く): 1340263744

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 4241339, 8482678, 16965356, 33930712, 67861424, 80585441, 161170882, 322341764, 644683528, 1289367056]

約数ペア:

[(1, 1289367056), (2, 644683528), (4, 322341764), (8, 161170882), (16, 80585441), (19, 67861424), (38, 33930712), (76, 16965356), (152, 8482678), (304, 4241339)]