68964584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21391}}^1$

素因数の和:21441

約数の個数: 32

約数和(自身を含む): 143754240

約数和(自身を除く): 74789656

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 21391, 42782, 85564, 171128, 278083, 556166, 663121, 1112332, 1326242, 2224664, 2652484, 5304968, 8620573, 17241146, 34482292, 68964584]

約数ペア:

[(1, 68964584), (2, 34482292), (4, 17241146), (8, 8620573), (13, 5304968), (26, 2652484), (31, 2224664), (52, 1326242), (62, 1112332), (104, 663121), (124, 556166), (248, 278083), (403, 171128), (806, 85564), (1612, 42782), (3224, 21391)]