209280872

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{2243}}^1$

素因数の和:2465

約数の個数: 32

約数和(自身を含む): 399880800

約数和(自身を除く): 190599928

約数列:

[1, 2, 4, 8, 107, 109, 214, 218, 428, 436, 856, 872, 2243, 4486, 8972, 11663, 17944, 23326, 46652, 93304, 240001, 244487, 480002, 488974, 960004, 977948, 1920008, 1955896, 26160109, 52320218, 104640436, 209280872]

約数ペア:

[(1, 209280872), (2, 104640436), (4, 52320218), (8, 26160109), (107, 1955896), (109, 1920008), (214, 977948), (218, 960004), (428, 488974), (436, 480002), (856, 244487), (872, 240001), (2243, 93304), (4486, 46652), (8972, 23326), (11663, 17944)]