428664979

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 488790720

約数和(自身を除く): 60125741

約数列:

[1, 17, 29, 43, 73, 277, 493, 731, 1241, 1247, 2117, 3139, 4709, 8033, 11911, 20221, 21199, 35989, 53363, 91031, 136561, 202487, 343757, 345419, 586409, 869503, 1547527, 5872123, 9968953, 14781551, 25215587, 428664979]

約数ペア:

[(1, 428664979), (17, 25215587), (29, 14781551), (43, 9968953), (73, 5872123), (277, 1547527), (493, 869503), (731, 586409), (1241, 345419), (1247, 343757), (2117, 202487), (3139, 136561), (4709, 91031), (8033, 53363), (11911, 35989), (20221, 21199)]