1239578978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{378151}}^1$

素因数の和:378313

約数の個数: 16

約数和(自身を含む): 2042020800

約数和(自身を除く): 802441822

約数列:

[1, 2, 11, 22, 149, 298, 1639, 3278, 378151, 756302, 4159661, 8319322, 56344499, 112688998, 619789489, 1239578978]

約数ペア:

[(1, 1239578978), (2, 619789489), (11, 112688998), (22, 56344499), (149, 8319322), (298, 4159661), (1639, 756302), (3278, 378151)]