206717872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{679993}}^1$

素因数の和:680020

約数の個数: 20

約数和(自身を含む): 421596280

約数和(自身を除く): 214878408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 679993, 1359986, 2719972, 5439944, 10879888, 12919867, 25839734, 51679468, 103358936, 206717872]

約数ペア:

[(1, 206717872), (2, 103358936), (4, 51679468), (8, 25839734), (16, 12919867), (19, 10879888), (38, 5439944), (76, 2719972), (152, 1359986), (304, 679993)]