81176718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{3433}}^1$

素因数の和:4008

約数の個数: 32

約数和(自身を含む): 185930496

約数和(自身を除く): 104753778

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 563, 1126, 1689, 3378, 3433, 3941, 6866, 7882, 10299, 11823, 20598, 23646, 24031, 48062, 72093, 144186, 1932779, 3865558, 5798337, 11596674, 13529453, 27058906, 40588359, 81176718]

約数ペア:

[(1, 81176718), (2, 40588359), (3, 27058906), (6, 13529453), (7, 11596674), (14, 5798337), (21, 3865558), (42, 1932779), (563, 144186), (1126, 72093), (1689, 48062), (3378, 24031), (3433, 23646), (3941, 20598), (6866, 11823), (7882, 10299)]