16978775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2129}}^1$

素因数の和:2179

約数の個数: 24

約数和(自身を含む): 23770800

約数和(自身を除く): 6792025

約数列:

[1, 5, 11, 25, 29, 55, 145, 275, 319, 725, 1595, 2129, 7975, 10645, 23419, 53225, 61741, 117095, 308705, 585475, 679151, 1543525, 3395755, 16978775]

約数ペア:

[(1, 16978775), (5, 3395755), (11, 1543525), (25, 679151), (29, 585475), (55, 308705), (145, 117095), (275, 61741), (319, 53225), (725, 23419), (1595, 10645), (2129, 7975)]