137929168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21391}}^1$

素因数の和:21443

約数の個数: 40

約数和(自身を含む): 297092096

約数和(自身を除く): 159162928

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 21391, 42782, 85564, 171128, 278083, 342256, 556166, 663121, 1112332, 1326242, 2224664, 2652484, 4449328, 5304968, 8620573, 10609936, 17241146, 34482292, 68964584, 137929168]

約数ペア:

[(1, 137929168), (2, 68964584), (4, 34482292), (8, 17241146), (13, 10609936), (16, 8620573), (26, 5304968), (31, 4449328), (52, 2652484), (62, 2224664), (104, 1326242), (124, 1112332), (208, 663121), (248, 556166), (403, 342256), (496, 278083), (806, 171128), (1612, 85564), (3224, 42782), (6448, 21391)]