638244890

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1081771}}^1$

素因数の和:1081837

約数の個数: 16

約数和(自身を含む): 1168313760

約数和(自身を除く): 530068870

約数列:

[1, 2, 5, 10, 59, 118, 295, 590, 1081771, 2163542, 5408855, 10817710, 63824489, 127648978, 319122445, 638244890]

約数ペア:

[(1, 638244890), (2, 319122445), (5, 127648978), (10, 63824489), (59, 10817710), (118, 5408855), (295, 2163542), (590, 1081771)]