26539565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13171}}^1$

素因数の和:13220

約数の個数: 16

約数和(自身を含む): 35406336

約数和(自身を除く): 8866771

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 13171, 65855, 171223, 408301, 856115, 2041505, 5307913, 26539565]

約数ペア:

[(1, 26539565), (5, 5307913), (13, 2041505), (31, 856115), (65, 408301), (155, 171223), (403, 65855), (2015, 13171)]