16438389

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 25142400

約数和(自身を除く): 8704011

約数列:

[1, 3, 11, 29, 33, 87, 89, 193, 267, 319, 579, 957, 979, 2123, 2581, 2937, 5597, 6369, 7743, 16791, 17177, 28391, 51531, 61567, 85173, 184701, 188947, 498133, 566841, 1494399, 5479463, 16438389]

約数ペア:

[(1, 16438389), (3, 5479463), (11, 1494399), (29, 566841), (33, 498133), (87, 188947), (89, 184701), (193, 85173), (267, 61567), (319, 51531), (579, 28391), (957, 17177), (979, 16791), (2123, 7743), (2581, 6369), (2937, 5597)]