223818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^2$

素因数の和:158

約数の個数: 24

約数和(自身を含む): 518688

約数和(自身を除く): 294870

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 146, 219, 438, 511, 1022, 1533, 3066, 5329, 10658, 15987, 31974, 37303, 74606, 111909, 223818]

約数ペア:

[(1, 223818), (2, 111909), (3, 74606), (6, 37303), (7, 31974), (14, 15987), (21, 10658), (42, 5329), (73, 3066), (146, 1533), (219, 1022), (438, 511)]