880887215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41957}}^1$

素因数の和:42011

約数の個数: 32

約数和(自身を含む): 1268809920

約数和(自身を除く): 387922705

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 1105, 1235, 1615, 4199, 20995, 41957, 209785, 545441, 713269, 797183, 2727205, 3566345, 3985915, 9272497, 10363379, 13552111, 46362485, 51816895, 67760555, 176177443, 880887215]

約数ペア:

[(1, 880887215), (5, 176177443), (13, 67760555), (17, 51816895), (19, 46362485), (65, 13552111), (85, 10363379), (95, 9272497), (221, 3985915), (247, 3566345), (323, 2727205), (1105, 797183), (1235, 713269), (1615, 545441), (4199, 209785), (20995, 41957)]