201221867

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{49307}}^1$

素因数の和:49378

約数の個数: 16

約数和(自身を含む): 255612672

約数和(自身を除く): 54390805

約数列:

[1, 7, 11, 53, 77, 371, 583, 4081, 49307, 345149, 542377, 2613271, 3796639, 18292897, 28745981, 201221867]

約数ペア:

[(1, 201221867), (7, 28745981), (11, 18292897), (53, 3796639), (77, 2613271), (371, 542377), (583, 345149), (4081, 49307)]