28057865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{8363}}^1$

素因数の和:8440

約数の個数: 16

約数和(自身を含む): 37336896

約数和(自身を除く): 9279031

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 8363, 41815, 91993, 459965, 510143, 2550715, 5611573, 28057865]

約数ペア:

[(1, 28057865), (5, 5611573), (11, 2550715), (55, 510143), (61, 459965), (305, 91993), (671, 41815), (3355, 8363)]