209898556

素因数分解:

$2^2\times 7^2\times {\mathrm{613}}^1\times {\mathrm{1747}}^1$

素因数の和:2378

約数の個数: 36

約数和(自身を含む): 428235528

約数和(自身を除く): 218336972

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 613, 1226, 1747, 2452, 3494, 4291, 6988, 8582, 12229, 17164, 24458, 30037, 48916, 60074, 85603, 120148, 171206, 342412, 1070911, 2141822, 4283644, 7496377, 14992754, 29985508, 52474639, 104949278, 209898556]

約数ペア:

[(1, 209898556), (2, 104949278), (4, 52474639), (7, 29985508), (14, 14992754), (28, 7496377), (49, 4283644), (98, 2141822), (196, 1070911), (613, 342412), (1226, 171206), (1747, 120148), (2452, 85603), (3494, 60074), (4291, 48916), (6988, 30037), (8582, 24458), (12229, 17164)]