128972855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{123419}}^1$

素因数の和:123454

約数の個数: 16

約数和(自身を含む): 177724800

約数和(自身を除く): 48751945

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 123419, 617095, 1357609, 2344961, 6788045, 11724805, 25794571, 128972855]

約数ペア:

[(1, 128972855), (5, 25794571), (11, 11724805), (19, 6788045), (55, 2344961), (95, 1357609), (209, 617095), (1045, 123419)]