16108225

素因数分解:

$5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1109}}^1$

素因数の和:1209

約数の個数: 24

約数和(自身を含む): 23123520

約数和(自身を除く): 7015295

約数列:

[1, 5, 7, 25, 35, 83, 175, 415, 581, 1109, 2075, 2905, 5545, 7763, 14525, 27725, 38815, 92047, 194075, 460235, 644329, 2301175, 3221645, 16108225]

約数ペア:

[(1, 16108225), (5, 3221645), (7, 2301175), (25, 644329), (35, 460235), (83, 194075), (175, 92047), (415, 38815), (581, 27725), (1109, 14525), (2075, 7763), (2905, 5545)]