219904688

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{128449}}^1$

素因数の和:128564

約数の個数: 20

約数和(自身を含む): 430050600

約数和(自身を除く): 210145912

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 128449, 256898, 513796, 1027592, 2055184, 13744043, 27488086, 54976172, 109952344, 219904688]

約数ペア:

[(1, 219904688), (2, 109952344), (4, 54976172), (8, 27488086), (16, 13744043), (107, 2055184), (214, 1027592), (428, 513796), (856, 256898), (1712, 128449)]