12689866

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6521}}^1$

素因数の和:6669

約数の個数: 16

約数和(自身を含む): 21913920

約数和(自身を除く): 9224054

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 6521, 13042, 45647, 91294, 906419, 1812838, 6344933, 12689866]

約数ペア:

[(1, 12689866), (2, 6344933), (7, 1812838), (14, 906419), (139, 91294), (278, 45647), (973, 13042), (1946, 6521)]