123134288

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{405047}}^1$

素因数の和:405074

約数の個数: 20

約数和(自身を含む): 251129760

約数和(自身を除く): 127995472

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 405047, 810094, 1620188, 3240376, 6480752, 7695893, 15391786, 30783572, 61567144, 123134288]

約数ペア:

[(1, 123134288), (2, 61567144), (4, 30783572), (8, 15391786), (16, 7695893), (19, 6480752), (38, 3240376), (76, 1620188), (152, 810094), (304, 405047)]