9990295

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 14676480

約数和(自身を除く): 4686185

約数列:

[1, 5, 7, 19, 35, 83, 95, 133, 181, 415, 581, 665, 905, 1267, 1577, 2905, 3439, 6335, 7885, 11039, 15023, 17195, 24073, 55195, 75115, 105161, 120365, 285437, 525805, 1427185, 1998059, 9990295]

約数ペア:

[(1, 9990295), (5, 1998059), (7, 1427185), (19, 525805), (35, 285437), (83, 120365), (95, 105161), (133, 75115), (181, 55195), (415, 24073), (581, 17195), (665, 15023), (905, 11039), (1267, 7885), (1577, 6335), (2905, 3439)]