28908802

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 36

約数和(自身を含む): 49064130

約数和(自身を除く): 20155328

約数列:

[1, 2, 13, 26, 31, 62, 89, 169, 178, 338, 403, 806, 961, 1157, 1922, 2314, 2759, 5239, 5518, 10478, 12493, 15041, 24986, 30082, 35867, 71734, 85529, 162409, 171058, 324818, 466271, 932542, 1111877, 2223754, 14454401, 28908802]

約数ペア:

[(1, 28908802), (2, 14454401), (13, 2223754), (26, 1111877), (31, 932542), (62, 466271), (89, 324818), (169, 171058), (178, 162409), (338, 85529), (403, 71734), (806, 35867), (961, 30082), (1157, 24986), (1922, 15041), (2314, 12493), (2759, 10478), (5239, 5518)]