81008033908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{1662863}}^1$

素因数の和:1663527

約数の個数: 24

約数和(自身を含む): 149458216320

約数和(自身を除く): 68450182412

約数列:

[1, 2, 4, 19, 38, 76, 641, 1282, 2564, 12179, 24358, 48716, 1662863, 3325726, 6651452, 31594397, 63188794, 126377588, 1065895183, 2131790366, 4263580732, 20252008477, 40504016954, 81008033908]

約数ペア:

[(1, 81008033908), (2, 40504016954), (4, 20252008477), (19, 4263580732), (38, 2131790366), (76, 1065895183), (641, 126377588), (1282, 63188794), (2564, 31594397), (12179, 6651452), (24358, 3325726), (48716, 1662863)]