212859647

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{631}}^1$

素因数の和:999

約数の個数: 32

約数和(自身を含む): 287099904

約数和(自身を除く): 74240257

約数列:

[1, 7, 11, 13, 77, 91, 143, 337, 631, 1001, 2359, 3707, 4381, 4417, 6941, 8203, 25949, 30667, 48191, 48587, 57421, 90233, 212647, 337337, 631631, 1488529, 2339117, 2764411, 16373819, 19350877, 30408521, 212859647]

約数ペア:

[(1, 212859647), (7, 30408521), (11, 19350877), (13, 16373819), (77, 2764411), (91, 2339117), (143, 1488529), (337, 631631), (631, 337337), (1001, 212647), (2359, 90233), (3707, 57421), (4381, 48587), (4417, 48191), (6941, 30667), (8203, 25949)]