26128505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12967}}^1$

素因数の和:13016

約数の個数: 16

約数和(自身を含む): 34857984

約数和(自身を除く): 8729479

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 12967, 64835, 168571, 401977, 842855, 2009885, 5225701, 26128505]

約数ペア:

[(1, 26128505), (5, 5225701), (13, 2009885), (31, 842855), (65, 401977), (155, 168571), (403, 64835), (2015, 12967)]