381452912

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{218723}}^1$

素因数の和:218840

約数の個数: 20

約数和(自身を含む): 745848840

約数和(自身を除く): 364395928

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 218723, 437446, 874892, 1749784, 3499568, 23840807, 47681614, 95363228, 190726456, 381452912]

約数ペア:

[(1, 381452912), (2, 190726456), (4, 95363228), (8, 47681614), (16, 23840807), (109, 3499568), (218, 1749784), (436, 874892), (872, 437446), (1744, 218723)]