1661036125

素因数分解:

$5^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{26737}}^1$

素因数の和:26830

約数の個数: 32

約数和(自身を含む): 2402569728

約数和(自身を除く): 741533603

約数列:

[1, 5, 7, 25, 35, 71, 125, 175, 355, 497, 875, 1775, 2485, 8875, 12425, 26737, 62125, 133685, 187159, 668425, 935795, 1898327, 3342125, 4678975, 9491635, 13288289, 23394875, 47458175, 66441445, 237290875, 332207225, 1661036125]

約数ペア:

[(1, 1661036125), (5, 332207225), (7, 237290875), (25, 66441445), (35, 47458175), (71, 23394875), (125, 13288289), (175, 9491635), (355, 4678975), (497, 3342125), (875, 1898327), (1775, 935795), (2485, 668425), (8875, 187159), (12425, 133685), (26737, 62125)]