25887111

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1997}}^1$

素因数の和:2178

約数の個数: 16

約数和(自身を含む): 35964000

約数和(自身を除く): 10076889

約数列:

[1, 3, 29, 87, 149, 447, 1997, 4321, 5991, 12963, 57913, 173739, 297553, 892659, 8629037, 25887111]

約数ペア:

[(1, 25887111), (3, 8629037), (29, 892659), (87, 297553), (149, 173739), (447, 57913), (1997, 12963), (4321, 5991)]