2789864

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{647}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 6648480

約数和(自身を除く): 3858616

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 647, 1078, 1294, 2156, 2588, 4312, 4529, 5176, 7117, 9058, 14234, 18116, 28468, 31703, 36232, 49819, 56936, 63406, 99638, 126812, 199276, 253624, 348733, 398552, 697466, 1394932, 2789864]

約数ペア:

[(1, 2789864), (2, 1394932), (4, 697466), (7, 398552), (8, 348733), (11, 253624), (14, 199276), (22, 126812), (28, 99638), (44, 63406), (49, 56936), (56, 49819), (77, 36232), (88, 31703), (98, 28468), (154, 18116), (196, 14234), (308, 9058), (392, 7117), (539, 5176), (616, 4529), (647, 4312), (1078, 2588), (1294, 2156)]