1997807617

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{12487}}^1$

素因数の和:12928

約数の個数: 16

約数和(自身を含む): 2226660352

約数和(自身を除く): 228852735

約数列:

[1, 13, 31, 397, 403, 5161, 12307, 12487, 159991, 162331, 387097, 4957339, 5032261, 64445407, 153677509, 1997807617]

約数ペア:

[(1, 1997807617), (13, 153677509), (31, 64445407), (397, 5032261), (403, 4957339), (5161, 387097), (12307, 162331), (12487, 159991)]