9980921725

素因数分解:

$5^2\times {\mathrm{6211}}^1\times {\mathrm{64279}}^1$

素因数の和:70500

約数の個数: 12

約数和(自身を含む): 12378528160

約数和(自身を除く): 2397606435

約数列:

[1, 5, 25, 6211, 31055, 64279, 155275, 321395, 1606975, 399236869, 1996184345, 9980921725]

約数ペア:

[(1, 9980921725), (5, 1996184345), (25, 399236869), (6211, 1606975), (31055, 321395), (64279, 155275)]