28395972

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71707}}^1$

素因数の和:71728

約数の個数: 36

約数和(自身を含む): 78305136

約数和(自身を除く): 49909164

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 71707, 143414, 215121, 286828, 430242, 645363, 788777, 860484, 1290726, 1577554, 2366331, 2581452, 3155108, 4732662, 7098993, 9465324, 14197986, 28395972]

約数ペア:

[(1, 28395972), (2, 14197986), (3, 9465324), (4, 7098993), (6, 4732662), (9, 3155108), (11, 2581452), (12, 2366331), (18, 1577554), (22, 1290726), (33, 860484), (36, 788777), (44, 645363), (66, 430242), (99, 286828), (132, 215121), (198, 143414), (396, 71707)]