29821988

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2143}}^1$

素因数の和:2232

約数の個数: 36

約数和(自身を含む): 61592832

約数和(自身を除く): 31770844

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 497, 994, 1988, 2143, 3479, 4286, 6958, 8572, 13916, 15001, 30002, 60004, 105007, 152153, 210014, 304306, 420028, 608612, 1065071, 2130142, 4260284, 7455497, 14910994, 29821988]

約数ペア:

[(1, 29821988), (2, 14910994), (4, 7455497), (7, 4260284), (14, 2130142), (28, 1065071), (49, 608612), (71, 420028), (98, 304306), (142, 210014), (196, 152153), (284, 105007), (497, 60004), (994, 30002), (1988, 15001), (2143, 13916), (3479, 8572), (4286, 6958)]