680920136

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{3541}}^1$

素因数の和:3646

約数の個数: 48

約数和(自身を含む): 1408051260

約数和(自身を除く): 727131124

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 1849, 2236, 3541, 3698, 4472, 7082, 7396, 14164, 14792, 24037, 28328, 46033, 48074, 92066, 96148, 152263, 184132, 192296, 304526, 368264, 609052, 1218104, 1979419, 3958838, 6547309, 7917676, 13094618, 15835352, 26189236, 52378472, 85115017, 170230034, 340460068, 680920136]

約数ペア:

[(1, 680920136), (2, 340460068), (4, 170230034), (8, 85115017), (13, 52378472), (26, 26189236), (43, 15835352), (52, 13094618), (86, 7917676), (104, 6547309), (172, 3958838), (344, 1979419), (559, 1218104), (1118, 609052), (1849, 368264), (2236, 304526), (3541, 192296), (3698, 184132), (4472, 152263), (7082, 96148), (7396, 92066), (14164, 48074), (14792, 46033), (24037, 28328)]