64124005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{16421}}^1$

素因数の和:16508

約数の個数: 16

約数和(自身を含む): 85131648

約数和(自身を除く): 21007643

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 16421, 82105, 180631, 903155, 1165891, 5829455, 12824801, 64124005]

約数ペア:

[(1, 64124005), (5, 12824801), (11, 5829455), (55, 1165891), (71, 903155), (355, 180631), (781, 82105), (3905, 16421)]