28586545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 39513600

約数和(自身を除く): 10927055

約数列:

[1, 5, 13, 19, 65, 79, 95, 247, 293, 395, 1027, 1235, 1465, 1501, 3809, 5135, 5567, 7505, 19045, 19513, 23147, 27835, 72371, 97565, 115735, 300911, 361855, 439793, 1504555, 2198965, 5717309, 28586545]

約数ペア:

[(1, 28586545), (5, 5717309), (13, 2198965), (19, 1504555), (65, 439793), (79, 361855), (95, 300911), (247, 115735), (293, 97565), (395, 72371), (1027, 27835), (1235, 23147), (1465, 19513), (1501, 19045), (3809, 7505), (5135, 5567)]