218637616

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{203953}}^1$

素因数の和:204028

約数の個数: 20

約数和(自身を含む): 429935032

約数和(自身を除く): 211297416

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 203953, 407906, 815812, 1631624, 3263248, 13664851, 27329702, 54659404, 109318808, 218637616]

約数ペア:

[(1, 218637616), (2, 109318808), (4, 54659404), (8, 27329702), (16, 13664851), (67, 3263248), (134, 1631624), (268, 815812), (536, 407906), (1072, 203953)]