820519452

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{321017}}^1$

素因数の和:321098

約数の個数: 36

約数和(自身を含む): 2103309936

約数和(自身を除く): 1282790484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 321017, 642034, 963051, 1284068, 1926102, 2889153, 3852204, 5778306, 11556612, 22792207, 45584414, 68376621, 91168828, 136753242, 205129863, 273506484, 410259726, 820519452]

約数ペア:

[(1, 820519452), (2, 410259726), (3, 273506484), (4, 205129863), (6, 136753242), (9, 91168828), (12, 68376621), (18, 45584414), (36, 22792207), (71, 11556612), (142, 5778306), (213, 3852204), (284, 2889153), (426, 1926102), (639, 1284068), (852, 963051), (1278, 642034), (2556, 321017)]