2447725

素因数分解:

$5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 3535488

約数和(自身を除く): 1087763

約数列:

[1, 5, 7, 25, 35, 71, 175, 197, 355, 497, 985, 1379, 1775, 2485, 4925, 6895, 12425, 13987, 34475, 69935, 97909, 349675, 489545, 2447725]

約数ペア:

[(1, 2447725), (5, 489545), (7, 349675), (25, 97909), (35, 69935), (71, 34475), (175, 13987), (197, 12425), (355, 6895), (497, 4925), (985, 2485), (1379, 1775)]