28201712

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2081}}^1$

素因数の和:2118

約数の個数: 60

約数和(自身を含む): 68672688

約数和(自身を除く): 40470976

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 121, 154, 176, 242, 308, 484, 616, 847, 968, 1232, 1694, 1936, 2081, 3388, 4162, 6776, 8324, 13552, 14567, 16648, 22891, 29134, 33296, 45782, 58268, 91564, 116536, 160237, 183128, 233072, 251801, 320474, 366256, 503602, 640948, 1007204, 1281896, 1762607, 2014408, 2563792, 3525214, 4028816, 7050428, 14100856, 28201712]

約数ペア:

[(1, 28201712), (2, 14100856), (4, 7050428), (7, 4028816), (8, 3525214), (11, 2563792), (14, 2014408), (16, 1762607), (22, 1281896), (28, 1007204), (44, 640948), (56, 503602), (77, 366256), (88, 320474), (112, 251801), (121, 233072), (154, 183128), (176, 160237), (242, 116536), (308, 91564), (484, 58268), (616, 45782), (847, 33296), (968, 29134), (1232, 22891), (1694, 16648), (1936, 14567), (2081, 13552), (3388, 8324), (4162, 6776)]