121123408

素因数分解:

$2^4\times 7^1\times {\mathrm{541}}^1\times {\mathrm{1999}}^1$

素因数の和:2555

約数の個数: 40

約数和(自身を含む): 268832000

約数和(自身を除く): 147708592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 541, 1082, 1999, 2164, 3787, 3998, 4328, 7574, 7996, 8656, 13993, 15148, 15992, 27986, 30296, 31984, 55972, 60592, 111944, 223888, 1081459, 2162918, 4325836, 7570213, 8651672, 15140426, 17303344, 30280852, 60561704, 121123408]

約数ペア:

[(1, 121123408), (2, 60561704), (4, 30280852), (7, 17303344), (8, 15140426), (14, 8651672), (16, 7570213), (28, 4325836), (56, 2162918), (112, 1081459), (541, 223888), (1082, 111944), (1999, 60592), (2164, 55972), (3787, 31984), (3998, 30296), (4328, 27986), (7574, 15992), (7996, 15148), (8656, 13993)]