199764784

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{657121}}^1$

素因数の和:657148

約数の個数: 20

約数和(自身を含む): 407415640

約数和(自身を除く): 207650856

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 657121, 1314242, 2628484, 5256968, 10513936, 12485299, 24970598, 49941196, 99882392, 199764784]

約数ペア:

[(1, 199764784), (2, 99882392), (4, 49941196), (8, 24970598), (16, 12485299), (19, 10513936), (38, 5256968), (76, 2628484), (152, 1314242), (304, 657121)]