290291254

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1\times {\mathrm{853}}^1$

素因数の和:1396

約数の個数: 32

約数和(自身を含む): 491904000

約数和(自身を除く): 201612746

約数列:

[1, 2, 11, 22, 31, 62, 341, 499, 682, 853, 998, 1706, 5489, 9383, 10978, 15469, 18766, 26443, 30938, 52886, 170159, 290873, 340318, 425647, 581746, 851294, 4682117, 9364234, 13195057, 26390114, 145145627, 290291254]

約数ペア:

[(1, 290291254), (2, 145145627), (11, 26390114), (22, 13195057), (31, 9364234), (62, 4682117), (341, 851294), (499, 581746), (682, 425647), (853, 340318), (998, 290873), (1706, 170159), (5489, 52886), (9383, 30938), (10978, 26443), (15469, 18766)]