1998059

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:290

約数の個数: 16

約数和(自身を含む): 2446080

約数和(自身を除く): 448021

約数列:

[1, 7, 19, 83, 133, 181, 581, 1267, 1577, 3439, 11039, 15023, 24073, 105161, 285437, 1998059]

約数ペア:

[(1, 1998059), (7, 285437), (19, 105161), (83, 24073), (133, 15023), (181, 11039), (581, 3439), (1267, 1577)]