16638692

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 35589120

約数和(自身を除く): 18950428

約数列:

[1, 2, 4, 7, 14, 28, 29, 31, 58, 62, 116, 124, 203, 217, 406, 434, 661, 812, 868, 899, 1322, 1798, 2644, 3596, 4627, 6293, 9254, 12586, 18508, 19169, 20491, 25172, 38338, 40982, 76676, 81964, 134183, 143437, 268366, 286874, 536732, 573748, 594239, 1188478, 2376956, 4159673, 8319346, 16638692]

約数ペア:

[(1, 16638692), (2, 8319346), (4, 4159673), (7, 2376956), (14, 1188478), (28, 594239), (29, 573748), (31, 536732), (58, 286874), (62, 268366), (116, 143437), (124, 134183), (203, 81964), (217, 76676), (406, 40982), (434, 38338), (661, 25172), (812, 20491), (868, 19169), (899, 18508), (1322, 12586), (1798, 9254), (2644, 6293), (3596, 4627)]