1268345

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:129

約数の個数: 24

約数和(自身を含む): 1756800

約数和(自身を除く): 488455

約数列:

[1, 5, 13, 19, 65, 79, 95, 169, 247, 395, 845, 1027, 1235, 1501, 3211, 5135, 7505, 13351, 16055, 19513, 66755, 97565, 253669, 1268345]

約数ペア:

[(1, 1268345), (5, 253669), (13, 97565), (19, 66755), (65, 19513), (79, 16055), (95, 13351), (169, 7505), (247, 5135), (395, 3211), (845, 1501), (1027, 1235)]