16990526

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{8731}}^1$

素因数の和:8879

約数の個数: 16

約数和(自身を含む): 29339520

約数和(自身を除く): 12348994

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 8731, 17462, 61117, 122234, 1213609, 2427218, 8495263, 16990526]

約数ペア:

[(1, 16990526), (2, 8495263), (7, 2427218), (14, 1213609), (139, 122234), (278, 61117), (973, 17462), (1946, 8731)]