209828305

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71249}}^1$

素因数の和:71304

約数の個数: 16

約数和(自身を含む): 273600000

約数和(自身を除く): 63771695

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 71249, 356245, 1353731, 2208719, 6768655, 11043595, 41965661, 209828305]

約数ペア:

[(1, 209828305), (5, 41965661), (19, 11043595), (31, 6768655), (95, 2208719), (155, 1353731), (589, 356245), (2945, 71249)]