208359768

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1999}}^1$

素因数の和:2152

約数の個数: 64

約数和(自身を含む): 538560000

約数和(自身を除く): 330200232

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 101, 129, 172, 202, 258, 303, 344, 404, 516, 606, 808, 1032, 1212, 1999, 2424, 3998, 4343, 5997, 7996, 8686, 11994, 13029, 15992, 17372, 23988, 26058, 34744, 47976, 52116, 85957, 104232, 171914, 201899, 257871, 343828, 403798, 515742, 605697, 687656, 807596, 1031484, 1211394, 1615192, 2062968, 2422788, 4845576, 8681657, 17363314, 26044971, 34726628, 52089942, 69453256, 104179884, 208359768]

約数ペア:

[(1, 208359768), (2, 104179884), (3, 69453256), (4, 52089942), (6, 34726628), (8, 26044971), (12, 17363314), (24, 8681657), (43, 4845576), (86, 2422788), (101, 2062968), (129, 1615192), (172, 1211394), (202, 1031484), (258, 807596), (303, 687656), (344, 605697), (404, 515742), (516, 403798), (606, 343828), (808, 257871), (1032, 201899), (1212, 171914), (1999, 104232), (2424, 85957), (3998, 52116), (4343, 47976), (5997, 34744), (7996, 26058), (8686, 23988), (11994, 17372), (13029, 15992)]