28217772

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71257}}^1$

素因数の和:71278

約数の個数: 36

約数和(自身を含む): 77813736

約数和(自身を除く): 49595964

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 71257, 142514, 213771, 285028, 427542, 641313, 783827, 855084, 1282626, 1567654, 2351481, 2565252, 3135308, 4702962, 7054443, 9405924, 14108886, 28217772]

約数ペア:

[(1, 28217772), (2, 14108886), (3, 9405924), (4, 7054443), (6, 4702962), (9, 3135308), (11, 2565252), (12, 2351481), (18, 1567654), (22, 1282626), (33, 855084), (36, 783827), (44, 641313), (66, 427542), (99, 285028), (132, 213771), (198, 142514), (396, 71257)]