31145296

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21391}}^1$

素因数の和:21419

約数の個数: 40

約数和(自身を含む): 74273024

約数和(自身を除く): 43127728

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 21391, 42782, 85564, 149737, 171128, 278083, 299474, 342256, 556166, 598948, 1112332, 1197896, 1946581, 2224664, 2395792, 3893162, 4449328, 7786324, 15572648, 31145296]

約数ペア:

[(1, 31145296), (2, 15572648), (4, 7786324), (7, 4449328), (8, 3893162), (13, 2395792), (14, 2224664), (16, 1946581), (26, 1197896), (28, 1112332), (52, 598948), (56, 556166), (91, 342256), (104, 299474), (112, 278083), (182, 171128), (208, 149737), (364, 85564), (728, 42782), (1456, 21391)]