16643744

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{40009}}^1$

素因数の和:40032

約数の個数: 24

約数和(自身を含む): 35288820

約数和(自身を除く): 18645076

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 40009, 80018, 160036, 320072, 520117, 640144, 1040234, 1280288, 2080468, 4160936, 8321872, 16643744]

約数ペア:

[(1, 16643744), (2, 8321872), (4, 4160936), (8, 2080468), (13, 1280288), (16, 1040234), (26, 640144), (32, 520117), (52, 320072), (104, 160036), (208, 80018), (416, 40009)]