81383677991

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{27953}}^1\times {\mathrm{37811}}^1$

素因数の和:65782

約数の個数: 16

約数和(自身を含む): 101471678208

約数和(自身を除く): 20088000217

約数列:

[1, 7, 11, 77, 27953, 37811, 195671, 264677, 307483, 415921, 2152381, 2911447, 1056930883, 7398516181, 11626239713, 81383677991]

約数ペア:

[(1, 81383677991), (7, 11626239713), (11, 7398516181), (77, 1056930883), (27953, 2911447), (37811, 2152381), (195671, 415921), (264677, 307483)]