28555164

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{72109}}^1$

素因数の和:72130

約数の個数: 36

約数和(自身を含む): 78744120

約数和(自身を除く): 50188956

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 72109, 144218, 216327, 288436, 432654, 648981, 793199, 865308, 1297962, 1586398, 2379597, 2595924, 3172796, 4759194, 7138791, 9518388, 14277582, 28555164]

約数ペア:

[(1, 28555164), (2, 14277582), (3, 9518388), (4, 7138791), (6, 4759194), (9, 3172796), (11, 2595924), (12, 2379597), (18, 1586398), (22, 1297962), (33, 865308), (36, 793199), (44, 648981), (66, 432654), (99, 288436), (132, 216327), (198, 144218), (396, 72109)]