28342864

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{161039}}^1$

素因数の和:161058

約数の個数: 20

約数和(自身を含む): 59906880

約数和(自身を除く): 31564016

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 161039, 322078, 644156, 1288312, 1771429, 2576624, 3542858, 7085716, 14171432, 28342864]

約数ペア:

[(1, 28342864), (2, 14171432), (4, 7085716), (8, 3542858), (11, 2576624), (16, 1771429), (22, 1288312), (44, 644156), (88, 322078), (176, 161039)]