638472371

素因数分解:

${\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1\times {\mathrm{1109}}^1$

素因数の和:1478

約数の個数: 16

約数和(自身を含む): 680474400

約数和(自身を除く): 42002029

約数列:

[1, 19, 157, 193, 1109, 2983, 3667, 21071, 30301, 174113, 214037, 575719, 3308147, 4066703, 33603809, 638472371]

約数ペア:

[(1, 638472371), (19, 33603809), (157, 4066703), (193, 3308147), (1109, 575719), (2983, 214037), (3667, 174113), (21071, 30301)]