68518864

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{857}}^1$

素因数の和:1147

約数の個数: 40

約数和(自身を含む): 140437440

約数和(自身を除く): 71918576

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 263, 304, 526, 857, 1052, 1714, 2104, 3428, 4208, 4997, 6856, 9994, 13712, 16283, 19988, 32566, 39976, 65132, 79952, 130264, 225391, 260528, 450782, 901564, 1803128, 3606256, 4282429, 8564858, 17129716, 34259432, 68518864]

約数ペア:

[(1, 68518864), (2, 34259432), (4, 17129716), (8, 8564858), (16, 4282429), (19, 3606256), (38, 1803128), (76, 901564), (152, 450782), (263, 260528), (304, 225391), (526, 130264), (857, 79952), (1052, 65132), (1714, 39976), (2104, 32566), (3428, 19988), (4208, 16283), (4997, 13712), (6856, 9994)]