2921779690

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1\times {\mathrm{4721}}^1$

素因数の和:5238

約数の個数: 32

約数和(自身を含む): 5303750400

約数和(自身を除く): 2381970710

約数列:

[1, 2, 5, 10, 199, 311, 398, 622, 995, 1555, 1990, 3110, 4721, 9442, 23605, 47210, 61889, 123778, 309445, 618890, 939479, 1468231, 1878958, 2936462, 4697395, 7341155, 9394790, 14682310, 292177969, 584355938, 1460889845, 2921779690]

約数ペア:

[(1, 2921779690), (2, 1460889845), (5, 584355938), (10, 292177969), (199, 14682310), (311, 9394790), (398, 7341155), (622, 4697395), (995, 2936462), (1555, 1878958), (1990, 1468231), (3110, 939479), (4721, 618890), (9442, 309445), (23605, 123778), (47210, 61889)]