123420688

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{34591}}^1$

素因数の和:34822

約数の個数: 20

約数和(自身を含む): 240206848

約数和(自身を除く): 116786160

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 34591, 69182, 138364, 276728, 553456, 7713793, 15427586, 30855172, 61710344, 123420688]

約数ペア:

[(1, 123420688), (2, 61710344), (4, 30855172), (8, 15427586), (16, 7713793), (223, 553456), (446, 276728), (892, 138364), (1784, 69182), (3568, 34591)]