28248899

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2221}}^1$

素因数の和:2330

約数の個数: 16

約数和(自身を含む): 34129920

約数和(自身を除く): 5881021

約数列:

[1, 7, 23, 79, 161, 553, 1817, 2221, 12719, 15547, 51083, 175459, 357581, 1228213, 4035557, 28248899]

約数ペア:

[(1, 28248899), (7, 4035557), (23, 1228213), (79, 357581), (161, 175459), (553, 51083), (1817, 15547), (2221, 12719)]