28270370

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{7121}}^1$

素因数の和:7525

約数の個数: 16

約数和(自身を含む): 51022008

約数和(自身を除く): 22751638

約数列:

[1, 2, 5, 10, 397, 794, 1985, 3970, 7121, 14242, 35605, 71210, 2827037, 5654074, 14135185, 28270370]

約数ペア:

[(1, 28270370), (2, 14135185), (5, 5654074), (10, 2827037), (397, 71210), (794, 35605), (1985, 14242), (3970, 7121)]