15939995

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{521}}^1$

素因数の和:766

約数の個数: 16

約数和(自身を含む): 19919520

約数和(自身を除く): 3979525

約数列:

[1, 5, 29, 145, 211, 521, 1055, 2605, 6119, 15109, 30595, 75545, 109931, 549655, 3187999, 15939995]

約数ペア:

[(1, 15939995), (5, 3187999), (29, 549655), (145, 109931), (211, 75545), (521, 30595), (1055, 15109), (2605, 6119)]