139916

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 295680

約数和(自身を除く): 155764

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 263, 266, 526, 532, 1052, 1841, 3682, 4997, 7364, 9994, 19988, 34979, 69958, 139916]

約数ペア:

[(1, 139916), (2, 69958), (4, 34979), (7, 19988), (14, 9994), (19, 7364), (28, 4997), (38, 3682), (76, 1841), (133, 1052), (263, 532), (266, 526)]