256048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1231}}^1$

素因数の和:1252

約数の個数: 20

約数和(自身を含む): 534688

約数和(自身を除く): 278640

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1231, 2462, 4924, 9848, 16003, 19696, 32006, 64012, 128024, 256048]

約数ペア:

[(1, 256048), (2, 128024), (4, 64012), (8, 32006), (13, 19696), (16, 16003), (26, 9848), (52, 4924), (104, 2462), (208, 1231)]