28129565

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1\times {\mathrm{463}}^1$

素因数の和:916

約数の個数: 16

約数和(自身を含む): 35078400

約数和(自身を除く): 6948835

約数列:

[1, 5, 29, 145, 419, 463, 2095, 2315, 12151, 13427, 60755, 67135, 193997, 969985, 5625913, 28129565]

約数ペア:

[(1, 28129565), (5, 5625913), (29, 969985), (145, 193997), (419, 67135), (463, 60755), (2095, 13427), (2315, 12151)]