221568612

素因数分解:

$2^2\times 3^1\times {\mathrm{18464051}}^1$

素因数の和:18464058

約数の個数: 12

約数和(自身を含む): 516993456

約数和(自身を除く): 295424844

約数列:

[1, 2, 3, 4, 6, 12, 18464051, 36928102, 55392153, 73856204, 110784306, 221568612]

約数ペア:

[(1, 221568612), (2, 110784306), (3, 73856204), (4, 55392153), (6, 36928102), (12, 18464051)]