8940008

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 21841920

約数和(自身を除く): 12901912

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 23, 28, 44, 46, 56, 77, 88, 92, 154, 161, 184, 253, 308, 322, 506, 616, 631, 644, 1012, 1262, 1288, 1771, 2024, 2524, 3542, 4417, 5048, 6941, 7084, 8834, 13882, 14168, 14513, 17668, 27764, 29026, 35336, 48587, 55528, 58052, 97174, 101591, 116104, 159643, 194348, 203182, 319286, 388696, 406364, 638572, 812728, 1117501, 1277144, 2235002, 4470004, 8940008]

約数ペア:

[(1, 8940008), (2, 4470004), (4, 2235002), (7, 1277144), (8, 1117501), (11, 812728), (14, 638572), (22, 406364), (23, 388696), (28, 319286), (44, 203182), (46, 194348), (56, 159643), (77, 116104), (88, 101591), (92, 97174), (154, 58052), (161, 55528), (184, 48587), (253, 35336), (308, 29026), (322, 27764), (506, 17668), (616, 14513), (631, 14168), (644, 13882), (1012, 8834), (1262, 7084), (1288, 6941), (1771, 5048), (2024, 4417), (2524, 3542)]