12756815

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:466

約数の個数: 16

約数和(自身を含む): 15681600

約数和(自身を除く): 2924785

約数列:

[1, 5, 89, 109, 263, 445, 545, 1315, 9701, 23407, 28667, 48505, 117035, 143335, 2551363, 12756815]

約数ペア:

[(1, 12756815), (5, 2551363), (89, 143335), (109, 117035), (263, 48505), (445, 28667), (545, 23407), (1315, 9701)]