81991462

素因数分解:

$2^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{8887}}^1$

素因数の和:9555

約数の個数: 16

約数和(自身を含む): 140785920

約数和(自身を除く): 58794458

約数列:

[1, 2, 7, 14, 659, 1318, 4613, 8887, 9226, 17774, 62209, 124418, 5856533, 11713066, 40995731, 81991462]

約数ペア:

[(1, 81991462), (2, 40995731), (7, 11713066), (14, 5856533), (659, 124418), (1318, 62209), (4613, 17774), (8887, 9226)]