200880407

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{521}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 261918720

約数和(自身を除く): 61038313

約数列:

[1, 7, 13, 19, 91, 133, 223, 247, 521, 1561, 1729, 2899, 3647, 4237, 6773, 9899, 20293, 29659, 47411, 55081, 69293, 116183, 128687, 385567, 813281, 900809, 1510379, 2207477, 10572653, 15452339, 28697201, 200880407]

約数ペア:

[(1, 200880407), (7, 28697201), (13, 15452339), (19, 10572653), (91, 2207477), (133, 1510379), (223, 900809), (247, 813281), (521, 385567), (1561, 128687), (1729, 116183), (2899, 69293), (3647, 55081), (4237, 47411), (6773, 29659), (9899, 20293)]