28871208

素因数分解:

$2^3\times 3^3\times {\mathrm{73}}^1\times {\mathrm{1831}}^1$

素因数の和:1919

約数の個数: 64

約数和(自身を含む): 81340800

約数和(自身を除く): 52469592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 73, 108, 146, 216, 219, 292, 438, 584, 657, 876, 1314, 1752, 1831, 1971, 2628, 3662, 3942, 5256, 5493, 7324, 7884, 10986, 14648, 15768, 16479, 21972, 32958, 43944, 49437, 65916, 98874, 131832, 133663, 197748, 267326, 395496, 400989, 534652, 801978, 1069304, 1202967, 1603956, 2405934, 3207912, 3608901, 4811868, 7217802, 9623736, 14435604, 28871208]

約数ペア:

[(1, 28871208), (2, 14435604), (3, 9623736), (4, 7217802), (6, 4811868), (8, 3608901), (9, 3207912), (12, 2405934), (18, 1603956), (24, 1202967), (27, 1069304), (36, 801978), (54, 534652), (72, 400989), (73, 395496), (108, 267326), (146, 197748), (216, 133663), (219, 131832), (292, 98874), (438, 65916), (584, 49437), (657, 43944), (876, 32958), (1314, 21972), (1752, 16479), (1831, 15768), (1971, 14648), (2628, 10986), (3662, 7884), (3942, 7324), (5256, 5493)]