388631248

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{564871}}^1$

素因数の和:564922

約数の個数: 20

約数和(自身を含む): 770485408

約数和(自身を除く): 381854160

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 564871, 1129742, 2259484, 4518968, 9037936, 24289453, 48578906, 97157812, 194315624, 388631248]

約数ペア:

[(1, 388631248), (2, 194315624), (4, 97157812), (8, 48578906), (16, 24289453), (43, 9037936), (86, 4518968), (172, 2259484), (344, 1129742), (688, 564871)]