256017385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{58787}}^1$

素因数の和:58872

約数の個数: 16

約数和(自身を含む): 335797056

約数和(自身を除く): 79779671

約数列:

[1, 5, 13, 65, 67, 335, 871, 4355, 58787, 293935, 764231, 3821155, 3938729, 19693645, 51203477, 256017385]

約数ペア:

[(1, 256017385), (5, 51203477), (13, 19693645), (65, 3938729), (67, 3821155), (335, 764231), (871, 293935), (4355, 58787)]