28681994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{587}}^1\times {\mathrm{2221}}^1$

素因数の和:2821

約数の個数: 16

約数和(自身を含む): 47035296

約数和(自身を除く): 18353302

約数列:

[1, 2, 11, 22, 587, 1174, 2221, 4442, 6457, 12914, 24431, 48862, 1303727, 2607454, 14340997, 28681994]

約数ペア:

[(1, 28681994), (2, 14340997), (11, 2607454), (22, 1303727), (587, 48862), (1174, 24431), (2221, 12914), (4442, 6457)]