1891355

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:530

約数の個数: 16

約数和(自身を含む): 2449920

約数和(自身を除く): 558565

約数列:

[1, 5, 19, 43, 95, 215, 463, 817, 2315, 4085, 8797, 19909, 43985, 99545, 378271, 1891355]

約数ペア:

[(1, 1891355), (5, 378271), (19, 99545), (43, 43985), (95, 19909), (215, 8797), (463, 4085), (817, 2315)]