221383904

素因数分解:

$2^5\times 7^1\times {\mathrm{988321}}^1$

素因数の和:988338

約数の個数: 24

約数和(自身を含む): 498114288

約数和(自身を除く): 276730384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 988321, 1976642, 3953284, 6918247, 7906568, 13836494, 15813136, 27672988, 31626272, 55345976, 110691952, 221383904]

約数ペア:

[(1, 221383904), (2, 110691952), (4, 55345976), (7, 31626272), (8, 27672988), (14, 15813136), (16, 13836494), (28, 7906568), (32, 6918247), (56, 3953284), (112, 1976642), (224, 988321)]