12985504

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1999}}^1$

素因数の和:2045

約数の個数: 48

約数和(自身を含む): 30240000

約数和(自身を除く): 17254496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 112, 116, 203, 224, 232, 406, 464, 812, 928, 1624, 1999, 3248, 3998, 6496, 7996, 13993, 15992, 27986, 31984, 55972, 57971, 63968, 111944, 115942, 223888, 231884, 405797, 447776, 463768, 811594, 927536, 1623188, 1855072, 3246376, 6492752, 12985504]

約数ペア:

[(1, 12985504), (2, 6492752), (4, 3246376), (7, 1855072), (8, 1623188), (14, 927536), (16, 811594), (28, 463768), (29, 447776), (32, 405797), (56, 231884), (58, 223888), (112, 115942), (116, 111944), (203, 63968), (224, 57971), (232, 55972), (406, 31984), (464, 27986), (812, 15992), (928, 13993), (1624, 7996), (1999, 6496), (3248, 3998)]