2906890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 6044544

約数和(自身を除く): 3137654

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 262, 317, 634, 655, 917, 1310, 1585, 1834, 2219, 3170, 4438, 4585, 9170, 11095, 22190, 41527, 83054, 207635, 290689, 415270, 581378, 1453445, 2906890]

約数ペア:

[(1, 2906890), (2, 1453445), (5, 581378), (7, 415270), (10, 290689), (14, 207635), (35, 83054), (70, 41527), (131, 22190), (262, 11095), (317, 9170), (634, 4585), (655, 4438), (917, 3170), (1310, 2219), (1585, 1834)]