221330656208

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{337394293}}^1$

素因数の和:337394342

約数の個数: 20

約数和(自身を含む): 439287370788

約数和(自身を除く): 217956714580

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 337394293, 674788586, 1349577172, 2699154344, 5398308688, 13833166013, 27666332026, 55332664052, 110665328104, 221330656208]

約数ペア:

[(1, 221330656208), (2, 110665328104), (4, 55332664052), (8, 27666332026), (16, 13833166013), (41, 5398308688), (82, 2699154344), (164, 1349577172), (328, 674788586), (656, 337394293)]