1257008

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{313}}^1$

素因数の和:572

約数の個数: 20

約数和(自身を含む): 2452968

約数和(自身を除く): 1195960

約数列:

[1, 2, 4, 8, 16, 251, 313, 502, 626, 1004, 1252, 2008, 2504, 4016, 5008, 78563, 157126, 314252, 628504, 1257008]

約数ペア:

[(1, 1257008), (2, 628504), (4, 314252), (8, 157126), (16, 78563), (251, 5008), (313, 4016), (502, 2504), (626, 2008), (1004, 1252)]