221465953

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 256988160

約数和(自身を除く): 35522207

約数列:

[1, 17, 29, 31, 43, 337, 493, 527, 731, 899, 1247, 1333, 5729, 9773, 10447, 14491, 15283, 21199, 22661, 38657, 166141, 177599, 246347, 302963, 420239, 449221, 657169, 5150371, 7144063, 7636757, 13027409, 221465953]

約数ペア:

[(1, 221465953), (17, 13027409), (29, 7636757), (31, 7144063), (43, 5150371), (337, 657169), (493, 449221), (527, 420239), (731, 302963), (899, 246347), (1247, 177599), (1333, 166141), (5729, 38657), (9773, 22661), (10447, 21199), (14491, 15283)]