2803438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2089}}^1$

素因数の和:2163

約数の個数: 16

約数和(自身を含む): 4664880

約数和(自身を除く): 1861442

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 2089, 4178, 22979, 45958, 127429, 254858, 1401719, 2803438]

約数ペア:

[(1, 2803438), (2, 1401719), (11, 254858), (22, 127429), (61, 45958), (122, 22979), (671, 4178), (1342, 2089)]