420898678

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{57991}}^1$

素因数の和:58203

約数の個数: 16

約数和(自身を含む): 668067840

約数和(自身を除く): 247169162

約数列:

[1, 2, 19, 38, 191, 382, 3629, 7258, 57991, 115982, 1101829, 2203658, 11076281, 22152562, 210449339, 420898678]

約数ペア:

[(1, 420898678), (2, 210449339), (19, 22152562), (38, 11076281), (191, 2203658), (382, 1101829), (3629, 115982), (7258, 57991)]