221184862

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{18503}}^1$

素因数の和:18687

約数の個数: 16

約数和(自身を含む): 341953920

約数和(自身を除く): 120769058

約数列:

[1, 2, 43, 86, 139, 278, 5977, 11954, 18503, 37006, 795629, 1591258, 2571917, 5143834, 110592431, 221184862]

約数ペア:

[(1, 221184862), (2, 110592431), (43, 5143834), (86, 2571917), (139, 1591258), (278, 795629), (5977, 37006), (11954, 18503)]