1980257831293

素因数分解:

$7^1\times {\mathrm{577}}^1\times {\mathrm{1933}}^1\times {\mathrm{253639}}^1$

素因数の和:256156

約数の個数: 16

約数和(自身を含む): 2268255850240

約数和(自身を除く): 287998018947

約数列:

[1, 7, 577, 1933, 4039, 13531, 253639, 1115341, 1775473, 7807387, 146349703, 490284187, 1024447921, 3431989309, 282893975899, 1980257831293]

約数ペア:

[(1, 1980257831293), (7, 282893975899), (577, 3431989309), (1933, 1024447921), (4039, 490284187), (13531, 146349703), (253639, 7807387), (1115341, 1775473)]