891567128

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{5381}}^1$

素因数の和:5675

約数の個数: 32

約数和(自身を含む): 1695330000

約数和(自身を除く): 803762872

約数列:

[1, 2, 4, 8, 139, 149, 278, 298, 556, 596, 1112, 1192, 5381, 10762, 20711, 21524, 41422, 43048, 82844, 165688, 747959, 801769, 1495918, 1603538, 2991836, 3207076, 5983672, 6414152, 111445891, 222891782, 445783564, 891567128]

約数ペア:

[(1, 891567128), (2, 445783564), (4, 222891782), (8, 111445891), (139, 6414152), (149, 5983672), (278, 3207076), (298, 2991836), (556, 1603538), (596, 1495918), (1112, 801769), (1192, 747959), (5381, 165688), (10762, 82844), (20711, 43048), (21524, 41422)]