219988972

素因数分解:

$2^2\times 7^1\times {\mathrm{2657}}^1\times {\mathrm{2957}}^1$

素因数の和:5625

約数の個数: 24

約数和(自身を含む): 440292384

約数和(自身を除く): 220303412

約数列:

[1, 2, 4, 7, 14, 28, 2657, 2957, 5314, 5914, 10628, 11828, 18599, 20699, 37198, 41398, 74396, 82796, 7856749, 15713498, 31426996, 54997243, 109994486, 219988972]

約数ペア:

[(1, 219988972), (2, 109994486), (4, 54997243), (7, 31426996), (14, 15713498), (28, 7856749), (2657, 82796), (2957, 74396), (5314, 41398), (5914, 37198), (10628, 20699), (11828, 18599)]