16563428

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{13757}}^1$

素因数の和:13811

約数の個数: 24

約数和(自身を含む): 33899712

約数和(自身を除く): 17336284

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 13757, 27514, 55028, 96299, 192598, 385196, 591551, 1183102, 2366204, 4140857, 8281714, 16563428]

約数ペア:

[(1, 16563428), (2, 8281714), (4, 4140857), (7, 2366204), (14, 1183102), (28, 591551), (43, 385196), (86, 192598), (172, 96299), (301, 55028), (602, 27514), (1204, 13757)]