389804

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:269

約数の個数: 24

約数和(自身を含む): 752640

約数和(自身を除く): 362836

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 223, 437, 446, 874, 892, 1748, 4237, 5129, 8474, 10258, 16948, 20516, 97451, 194902, 389804]

約数ペア:

[(1, 389804), (2, 194902), (4, 97451), (19, 20516), (23, 16948), (38, 10258), (46, 8474), (76, 5129), (92, 4237), (223, 1748), (437, 892), (446, 874)]