28552788

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{72103}}^1$

素因数の和:72124

約数の個数: 36

約数和(自身を含む): 78737568

約数和(自身を除く): 50184780

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 72103, 144206, 216309, 288412, 432618, 648927, 793133, 865236, 1297854, 1586266, 2379399, 2595708, 3172532, 4758798, 7138197, 9517596, 14276394, 28552788]

約数ペア:

[(1, 28552788), (2, 14276394), (3, 9517596), (4, 7138197), (6, 4758798), (9, 3172532), (11, 2595708), (12, 2379399), (18, 1586266), (22, 1297854), (33, 865236), (36, 793133), (44, 648927), (66, 432618), (99, 288412), (132, 216309), (198, 144206), (396, 72103)]