256177585

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{3739}}^1$

素因数の和:4008

約数の個数: 16

約数和(自身を含む): 313441920

約数和(自身を除く): 57264335

約数列:

[1, 5, 71, 193, 355, 965, 3739, 13703, 18695, 68515, 265469, 721627, 1327345, 3608135, 51235517, 256177585]

約数ペア:

[(1, 256177585), (5, 51235517), (71, 3608135), (193, 1327345), (355, 721627), (965, 265469), (3739, 68515), (13703, 18695)]