209913664

素因数分解:

$2^6\times {\mathrm{181}}^1\times {\mathrm{18121}}^1$

素因数の和:18314

約数の個数: 28

約数和(自身を含む): 418871908

約数和(自身を除く): 208958244

約数列:

[1, 2, 4, 8, 16, 32, 64, 181, 362, 724, 1448, 2896, 5792, 11584, 18121, 36242, 72484, 144968, 289936, 579872, 1159744, 3279901, 6559802, 13119604, 26239208, 52478416, 104956832, 209913664]

約数ペア:

[(1, 209913664), (2, 104956832), (4, 52478416), (8, 26239208), (16, 13119604), (32, 6559802), (64, 3279901), (181, 1159744), (362, 579872), (724, 289936), (1448, 144968), (2896, 72484), (5792, 36242), (11584, 18121)]