31680152

素因数分解:

$2^3\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1999}}^1$

素因数の和:2295

約数の個数: 32

約数和(自身を含む): 68160000

約数和(自身を除く): 36479848

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 283, 566, 1132, 1981, 1999, 2264, 3962, 3998, 7924, 7996, 13993, 15848, 15992, 27986, 55972, 111944, 565717, 1131434, 2262868, 3960019, 4525736, 7920038, 15840076, 31680152]

約数ペア:

[(1, 31680152), (2, 15840076), (4, 7920038), (7, 4525736), (8, 3960019), (14, 2262868), (28, 1131434), (56, 565717), (283, 111944), (566, 55972), (1132, 27986), (1981, 15992), (1999, 15848), (2264, 13993), (3962, 7996), (3998, 7924)]