221487248

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{337633}}^1$

素因数の和:337682

約数の個数: 20

約数和(自身を含む): 439599468

約数和(自身を除く): 218112220

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 337633, 675266, 1350532, 2701064, 5402128, 13842953, 27685906, 55371812, 110743624, 221487248]

約数ペア:

[(1, 221487248), (2, 110743624), (4, 55371812), (8, 27685906), (16, 13842953), (41, 5402128), (82, 2701064), (164, 1350532), (328, 675266), (656, 337633)]