1989077998

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1\times {\mathrm{317}}^1$

素因数の和:804

約数の個数: 32

約数和(自身を含む): 3060050400

約数和(自身を除く): 1070972402

約数列:

[1, 2, 107, 109, 214, 218, 269, 317, 538, 634, 11663, 23326, 28783, 29321, 33919, 34553, 57566, 58642, 67838, 69106, 85273, 170546, 3137347, 3697171, 6274694, 7394342, 9124211, 9294757, 18248422, 18589514, 994538999, 1989077998]

約数ペア:

[(1, 1989077998), (2, 994538999), (107, 18589514), (109, 18248422), (214, 9294757), (218, 9124211), (269, 7394342), (317, 6274694), (538, 3697171), (634, 3137347), (11663, 170546), (23326, 85273), (28783, 69106), (29321, 67838), (33919, 58642), (34553, 57566)]