2164016

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{641}}^1$

素因数の和:860

約数の個数: 20

約数和(自身を含む): 4219224

約数和(自身を除く): 2055208

約数列:

[1, 2, 4, 8, 16, 211, 422, 641, 844, 1282, 1688, 2564, 3376, 5128, 10256, 135251, 270502, 541004, 1082008, 2164016]

約数ペア:

[(1, 2164016), (2, 1082008), (4, 541004), (8, 270502), (16, 135251), (211, 10256), (422, 5128), (641, 3376), (844, 2564), (1282, 1688)]