2564216

素因数分解:

$2^3\times {\mathrm{251}}^1\times {\mathrm{1277}}^1$

素因数の和:1534

約数の個数: 16

約数和(自身を含む): 4830840

約数和(自身を除く): 2266624

約数列:

[1, 2, 4, 8, 251, 502, 1004, 1277, 2008, 2554, 5108, 10216, 320527, 641054, 1282108, 2564216]

約数ペア:

[(1, 2564216), (2, 1282108), (4, 641054), (8, 320527), (251, 10216), (502, 5108), (1004, 2554), (1277, 2008)]