28891004

素因数分解:

$2^2\times {\mathrm{331}}^1\times {\mathrm{21821}}^1$

素因数の和:22156

約数の個数: 12

約数和(自身を含む): 50714328

約数和(自身を除く): 21823324

約数列:

[1, 2, 4, 331, 662, 1324, 21821, 43642, 87284, 7222751, 14445502, 28891004]

約数ペア:

[(1, 28891004), (2, 14445502), (4, 7222751), (331, 87284), (662, 43642), (1324, 21821)]