521009005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{1321}}^1$

素因数の和:1509

約数の個数: 32

約数和(自身を含む): 699031296

約数和(自身を除く): 178022291

約数列:

[1, 5, 11, 55, 71, 101, 355, 505, 781, 1111, 1321, 3905, 5555, 6605, 7171, 14531, 35855, 72655, 78881, 93791, 133421, 394405, 468955, 667105, 1031701, 1467631, 5158505, 7338155, 9472891, 47364455, 104201801, 521009005]

約数ペア:

[(1, 521009005), (5, 104201801), (11, 47364455), (55, 9472891), (71, 7338155), (101, 5158505), (355, 1467631), (505, 1031701), (781, 667105), (1111, 468955), (1321, 394405), (3905, 133421), (5555, 93791), (6605, 78881), (7171, 72655), (14531, 35855)]