16504865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8191}}^1$

素因数の和:8240

約数の個数: 16

約数和(自身を含む): 22020096

約数和(自身を除く): 5515231

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 8191, 40955, 106483, 253921, 532415, 1269605, 3300973, 16504865]

約数ペア:

[(1, 16504865), (5, 3300973), (13, 1269605), (31, 532415), (65, 253921), (155, 106483), (403, 40955), (2015, 8191)]