219399866

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{123397}}^1$

素因数の和:123533

約数の個数: 16

約数和(自身を含む): 379078656

約数和(自身を除く): 159678790

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 123397, 246794, 863779, 1727558, 15671419, 31342838, 109699933, 219399866]

約数ペア:

[(1, 219399866), (2, 109699933), (7, 31342838), (14, 15671419), (127, 1727558), (254, 863779), (889, 246794), (1778, 123397)]