28747564

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{421}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 51730448

約数和(自身を除く): 22982884

約数列:

[1, 2, 4, 43, 86, 172, 397, 421, 794, 842, 1588, 1684, 17071, 18103, 34142, 36206, 68284, 72412, 167137, 334274, 668548, 7186891, 14373782, 28747564]

約数ペア:

[(1, 28747564), (2, 14373782), (4, 7186891), (43, 668548), (86, 334274), (172, 167137), (397, 72412), (421, 68284), (794, 36206), (842, 34142), (1588, 18103), (1684, 17071)]