4253872

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2033

約数の個数: 40

約数和(自身を含む): 9920000

約数和(自身を除く): 5666128

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 1999, 2128, 3998, 7996, 13993, 15992, 27986, 31984, 37981, 55972, 75962, 111944, 151924, 223888, 265867, 303848, 531734, 607696, 1063468, 2126936, 4253872]

約数ペア:

[(1, 4253872), (2, 2126936), (4, 1063468), (7, 607696), (8, 531734), (14, 303848), (16, 265867), (19, 223888), (28, 151924), (38, 111944), (56, 75962), (76, 55972), (112, 37981), (133, 31984), (152, 27986), (266, 15992), (304, 13993), (532, 7996), (1064, 3998), (1999, 2128)]