89925575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{197}}^1$

素因数の和:288

約数の個数: 36

約数和(自身を含む): 121900680

約数和(自身を除く): 31975105

約数列:

[1, 5, 19, 25, 31, 95, 155, 197, 475, 589, 775, 961, 985, 2945, 3743, 4805, 4925, 6107, 14725, 18259, 18715, 24025, 30535, 91295, 93575, 116033, 152675, 189317, 456475, 580165, 946585, 2900825, 3597023, 4732925, 17985115, 89925575]

約数ペア:

[(1, 89925575), (5, 17985115), (19, 4732925), (25, 3597023), (31, 2900825), (95, 946585), (155, 580165), (197, 456475), (475, 189317), (589, 152675), (775, 116033), (961, 93575), (985, 91295), (2945, 30535), (3743, 24025), (4805, 18715), (4925, 18259), (6107, 14725)]