28666288

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{709}}^1$

素因数の和:762

約数の個数: 60

約数和(自身を含む): 67086480

約数和(自身を除く): 38420192

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 361, 532, 709, 722, 1064, 1418, 1444, 2128, 2527, 2836, 2888, 4963, 5054, 5672, 5776, 9926, 10108, 11344, 13471, 19852, 20216, 26942, 39704, 40432, 53884, 79408, 94297, 107768, 188594, 215536, 255949, 377188, 511898, 754376, 1023796, 1508752, 1791643, 2047592, 3583286, 4095184, 7166572, 14333144, 28666288]

約数ペア:

[(1, 28666288), (2, 14333144), (4, 7166572), (7, 4095184), (8, 3583286), (14, 2047592), (16, 1791643), (19, 1508752), (28, 1023796), (38, 754376), (56, 511898), (76, 377188), (112, 255949), (133, 215536), (152, 188594), (266, 107768), (304, 94297), (361, 79408), (532, 53884), (709, 40432), (722, 39704), (1064, 26942), (1418, 20216), (1444, 19852), (2128, 13471), (2527, 11344), (2836, 10108), (2888, 9926), (4963, 5776), (5054, 5672)]