211399372805

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{20534179}}^1$

素因数の和:20534284

約数の個数: 16

約数和(自身を含む): 266122972800

約数和(自身を除く): 54723599995

約数列:

[1, 5, 29, 71, 145, 355, 2059, 10295, 20534179, 102670895, 595491191, 1457926709, 2977455955, 7289633545, 42279874561, 211399372805]

約数ペア:

[(1, 211399372805), (5, 42279874561), (29, 7289633545), (71, 2977455955), (145, 1457926709), (355, 595491191), (2059, 102670895), (10295, 20534179)]