8003888

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{1993}}^1$

素因数の和:2252

約数の個数: 20

約数和(自身を含む): 15577128

約数和(自身を除く): 7573240

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 1993, 2008, 3986, 4016, 7972, 15944, 31888, 500243, 1000486, 2000972, 4001944, 8003888]

約数ペア:

[(1, 8003888), (2, 4001944), (4, 2000972), (8, 1000486), (16, 500243), (251, 31888), (502, 15944), (1004, 7972), (1993, 4016), (2008, 3986)]