121289728

素因数分解:

$2^{10}\times 7^1\times {\mathrm{16921}}^1$

素因数の和:16948

約数の個数: 44

約数和(自身を含む): 277114672

約数和(自身を除く): 155824944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 3584, 7168, 16921, 33842, 67684, 118447, 135368, 236894, 270736, 473788, 541472, 947576, 1082944, 1895152, 2165888, 3790304, 4331776, 7580608, 8663552, 15161216, 17327104, 30322432, 60644864, 121289728]

約数ペア:

[(1, 121289728), (2, 60644864), (4, 30322432), (7, 17327104), (8, 15161216), (14, 8663552), (16, 7580608), (28, 4331776), (32, 3790304), (56, 2165888), (64, 1895152), (112, 1082944), (128, 947576), (224, 541472), (256, 473788), (448, 270736), (512, 236894), (896, 135368), (1024, 118447), (1792, 67684), (3584, 33842), (7168, 16921)]