489545

素因数分解:

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

素因数の和:280

約数の個数: 16

約数和(自身を含む): 684288

約数和(自身を除く): 194743

約数列:

[1, 5, 7, 35, 71, 197, 355, 497, 985, 1379, 2485, 6895, 13987, 69935, 97909, 489545]

約数ペア:

[(1, 489545), (5, 97909), (7, 69935), (35, 13987), (71, 6895), (197, 2485), (355, 1379), (497, 985)]