87820370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{2011}}^1$

素因数の和:2426

約数の個数: 32

約数和(自身を含む): 172967616

約数和(自身を除く): 85147246

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 397, 794, 1985, 2011, 3970, 4022, 4367, 8734, 10055, 20110, 21835, 22121, 43670, 44242, 110605, 221210, 798367, 1596734, 3991835, 7983670, 8782037, 17564074, 43910185, 87820370]

約数ペア:

[(1, 87820370), (2, 43910185), (5, 17564074), (10, 8782037), (11, 7983670), (22, 3991835), (55, 1596734), (110, 798367), (397, 221210), (794, 110605), (1985, 44242), (2011, 43670), (3970, 22121), (4022, 21835), (4367, 20110), (8734, 10055)]