208311545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 275788800

約数和(自身を除く): 67477255

約数列:

[1, 5, 13, 65, 79, 113, 359, 395, 565, 1027, 1469, 1795, 4667, 5135, 7345, 8927, 23335, 28361, 40567, 44635, 116051, 141805, 202835, 368693, 527371, 580255, 1843465, 2636855, 3204793, 16023965, 41662309, 208311545]

約数ペア:

[(1, 208311545), (5, 41662309), (13, 16023965), (65, 3204793), (79, 2636855), (113, 1843465), (359, 580255), (395, 527371), (565, 368693), (1027, 202835), (1469, 141805), (1795, 116051), (4667, 44635), (5135, 40567), (7345, 28361), (8927, 23335)]