219896299

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 272240640

約数和(自身を除く): 52344341

約数列:

[1, 7, 29, 31, 83, 203, 217, 421, 581, 899, 2407, 2573, 2947, 6293, 12209, 13051, 16849, 18011, 34943, 74617, 85463, 91357, 244601, 378479, 522319, 1013347, 1083233, 2649353, 7093429, 7582631, 31413757, 219896299]

約数ペア:

[(1, 219896299), (7, 31413757), (29, 7582631), (31, 7093429), (83, 2649353), (203, 1083233), (217, 1013347), (421, 522319), (581, 378479), (899, 244601), (2407, 91357), (2573, 85463), (2947, 74617), (6293, 34943), (12209, 18011), (13051, 16849)]