28221084

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{21187}}^1$

素因数の和:21234

約数の個数: 36

約数和(自身を含む): 73268104

約数和(自身を除く): 45047020

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 21187, 42374, 63561, 84748, 127122, 190683, 254244, 381366, 762732, 783919, 1567838, 2351757, 3135676, 4703514, 7055271, 9407028, 14110542, 28221084]

約数ペア:

[(1, 28221084), (2, 14110542), (3, 9407028), (4, 7055271), (6, 4703514), (9, 3135676), (12, 2351757), (18, 1567838), (36, 783919), (37, 762732), (74, 381366), (111, 254244), (148, 190683), (222, 127122), (333, 84748), (444, 63561), (666, 42374), (1332, 21187)]