16891456

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{479}}^1$

素因数の和:539

約数の個数: 56

約数和(自身を含む): 36576000

約数和(自身を除く): 19684544

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 64, 76, 116, 152, 232, 304, 464, 479, 551, 608, 928, 958, 1102, 1216, 1856, 1916, 2204, 3832, 4408, 7664, 8816, 9101, 13891, 15328, 17632, 18202, 27782, 30656, 35264, 36404, 55564, 72808, 111128, 145616, 222256, 263929, 291232, 444512, 527858, 582464, 889024, 1055716, 2111432, 4222864, 8445728, 16891456]

約数ペア:

[(1, 16891456), (2, 8445728), (4, 4222864), (8, 2111432), (16, 1055716), (19, 889024), (29, 582464), (32, 527858), (38, 444512), (58, 291232), (64, 263929), (76, 222256), (116, 145616), (152, 111128), (232, 72808), (304, 55564), (464, 36404), (479, 35264), (551, 30656), (608, 27782), (928, 18202), (958, 17632), (1102, 15328), (1216, 13891), (1856, 9101), (1916, 8816), (2204, 7664), (3832, 4408)]