2003291305

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{1279}}^1\times {\mathrm{18427}}^1$

素因数の和:19728

約数の個数: 16

約数和(自身を含む): 2547486720

約数和(自身を除く): 544195415

約数列:

[1, 5, 17, 85, 1279, 6395, 18427, 21743, 92135, 108715, 313259, 1566295, 23568133, 117840665, 400658261, 2003291305]

約数ペア:

[(1, 2003291305), (5, 400658261), (17, 117840665), (85, 23568133), (1279, 1566295), (6395, 313259), (18427, 108715), (21743, 92135)]