397129868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{227191}}^1$

素因数の和:227237

約数の個数: 24

約数和(自身を含む): 763365120

約数和(自身を除く): 366235252

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 227191, 454382, 908764, 4316629, 5225393, 8633258, 10450786, 17266516, 20901572, 99282467, 198564934, 397129868]

約数ペア:

[(1, 397129868), (2, 198564934), (4, 99282467), (19, 20901572), (23, 17266516), (38, 10450786), (46, 8633258), (76, 5225393), (92, 4316629), (437, 908764), (874, 454382), (1748, 227191)]