256102405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{6491}}^1$

素因数の和:7116

約数の個数: 16

約数和(自身を含む): 331559424

約数和(自身を除く): 75457019

約数列:

[1, 5, 13, 65, 607, 3035, 6491, 7891, 32455, 39455, 84383, 421915, 3940037, 19700185, 51220481, 256102405]

約数ペア:

[(1, 256102405), (5, 51220481), (13, 19700185), (65, 3940037), (607, 421915), (3035, 84383), (6491, 39455), (7891, 32455)]