31601008

素因数分解:

$2^4\times {\mathrm{991}}^1\times {\mathrm{1993}}^1$

素因数の和:2992

約数の個数: 20

約数和(自身を含む): 61319488

約数和(自身を除く): 29718480

約数列:

[1, 2, 4, 8, 16, 991, 1982, 1993, 3964, 3986, 7928, 7972, 15856, 15944, 31888, 1975063, 3950126, 7900252, 15800504, 31601008]

約数ペア:

[(1, 31601008), (2, 15800504), (4, 7900252), (8, 3950126), (16, 1975063), (991, 31888), (1982, 15944), (1993, 15856), (3964, 7972), (3986, 7928)]