28826135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1373}}^1$

素因数の和:1427

約数の個数: 32

約数和(自身を含む): 41549760

約数和(自身を除く): 12723625

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 1105, 1235, 1373, 1615, 4199, 6865, 17849, 20995, 23341, 26087, 89245, 116705, 130435, 303433, 339131, 443479, 1517165, 1695655, 2217395, 5765227, 28826135]

約数ペア:

[(1, 28826135), (5, 5765227), (13, 2217395), (17, 1695655), (19, 1517165), (65, 443479), (85, 339131), (95, 303433), (221, 130435), (247, 116705), (323, 89245), (1105, 26087), (1235, 23341), (1373, 20995), (1615, 17849), (4199, 6865)]