28251181

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:564

約数の個数: 16

約数和(自身を含む): 32987520

約数和(自身を除く): 4736339

約数列:

[1, 7, 89, 137, 331, 623, 959, 2317, 12193, 29459, 45347, 85351, 206213, 317429, 4035883, 28251181]

約数ペア:

[(1, 28251181), (7, 4035883), (89, 317429), (137, 206213), (331, 85351), (623, 45347), (959, 29459), (2317, 12193)]