81489926

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{53401}}^1$

素因数の和:53519

約数の個数: 16

約数和(自身を含む): 140981280

約数和(自身を除く): 59491354

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 53401, 106802, 373807, 747614, 5820709, 11641418, 40744963, 81489926]

約数ペア:

[(1, 81489926), (2, 40744963), (7, 11641418), (14, 5820709), (109, 747614), (218, 373807), (763, 106802), (1526, 53401)]