38909195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{13921}}^1$

素因数の和:13982

約数の個数: 16

約数和(自身を含む): 51455712

約数和(自身を除く): 12546517

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 13921, 69605, 180973, 598603, 904865, 2993015, 7781839, 38909195]

約数ペア:

[(1, 38909195), (5, 7781839), (13, 2993015), (43, 904865), (65, 598603), (215, 180973), (559, 69605), (2795, 13921)]