647623836

素因数分解:

$2^2\times 3^4\times {\mathrm{1998839}}^1$

素因数の和:1998855

約数の個数: 30

約数和(自身を含む): 1693017480

約数和(自身を除く): 1045393644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 1998839, 3997678, 5996517, 7995356, 11993034, 17989551, 23986068, 35979102, 53968653, 71958204, 107937306, 161905959, 215874612, 323811918, 647623836]

約数ペア:

[(1, 647623836), (2, 323811918), (3, 215874612), (4, 161905959), (6, 107937306), (9, 71958204), (12, 53968653), (18, 35979102), (27, 23986068), (36, 17989551), (54, 11993034), (81, 7995356), (108, 5996517), (162, 3997678), (324, 1998839)]