81996829

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{449}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 87436800

約数和(自身を除く): 5439971

約数列:

[1, 31, 43, 137, 449, 1333, 4247, 5891, 13919, 19307, 61513, 182621, 598517, 1906903, 2645059, 81996829]

約数ペア:

[(1, 81996829), (31, 2645059), (43, 1906903), (137, 598517), (449, 182621), (1333, 61513), (4247, 19307), (5891, 13919)]