248740639

素因数分解:

$7^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{1693}}^1$

素因数の和:1990

約数の個数: 16

約数和(自身を含む): 288386560

約数和(自身を除く): 39645921

約数列:

[1, 7, 139, 151, 973, 1057, 1693, 11851, 20989, 146923, 235327, 255643, 1647289, 1789501, 35534377, 248740639]

約数ペア:

[(1, 248740639), (7, 35534377), (139, 1789501), (151, 1647289), (973, 255643), (1057, 235327), (1693, 146923), (11851, 20989)]