639972

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{613}}^1$

素因数の和:652

約数の個数: 36

約数和(自身を含む): 1676220

約数和(自身を除く): 1036248

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 613, 1044, 1226, 1839, 2452, 3678, 5517, 7356, 11034, 17777, 22068, 35554, 53331, 71108, 106662, 159993, 213324, 319986, 639972]

約数ペア:

[(1, 639972), (2, 319986), (3, 213324), (4, 159993), (6, 106662), (9, 71108), (12, 53331), (18, 35554), (29, 22068), (36, 17777), (58, 11034), (87, 7356), (116, 5517), (174, 3678), (261, 2452), (348, 1839), (522, 1226), (613, 1044)]