42138655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{3359}}^1$

素因数の和:3570

約数の個数: 16

約数和(自身を含む): 54754560

約数和(自身を除く): 12615905

約数列:

[1, 5, 13, 65, 193, 965, 2509, 3359, 12545, 16795, 43667, 218335, 648287, 3241435, 8427731, 42138655]

約数ペア:

[(1, 42138655), (5, 8427731), (13, 3241435), (65, 648287), (193, 218335), (965, 43667), (2509, 16795), (3359, 12545)]