28489868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{20887}}^1$

素因数の和:20933

約数の個数: 24

約数和(自身を含む): 56146944

約数和(自身を除く): 27657076

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 20887, 41774, 83548, 229757, 459514, 647497, 919028, 1294994, 2589988, 7122467, 14244934, 28489868]

約数ペア:

[(1, 28489868), (2, 14244934), (4, 7122467), (11, 2589988), (22, 1294994), (31, 919028), (44, 647497), (62, 459514), (124, 229757), (341, 83548), (682, 41774), (1364, 20887)]