249116465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{123631}}^1$

素因数の和:123680

約数の個数: 16

約数和(自身を含む): 332322816

約数和(自身を除く): 83206351

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 123631, 618155, 1607203, 3832561, 8036015, 19162805, 49823293, 249116465]

約数ペア:

[(1, 249116465), (5, 49823293), (13, 19162805), (31, 8036015), (65, 3832561), (155, 1607203), (403, 618155), (2015, 123631)]