79784404

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{599}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 164505600

約数和(自身を除く): 84721196

約数列:

[1, 2, 4, 7, 14, 28, 67, 71, 134, 142, 268, 284, 469, 497, 599, 938, 994, 1198, 1876, 1988, 2396, 4193, 4757, 8386, 9514, 16772, 19028, 33299, 40133, 42529, 66598, 80266, 85058, 133196, 160532, 170116, 280931, 297703, 561862, 595406, 1123724, 1190812, 2849443, 5698886, 11397772, 19946101, 39892202, 79784404]

約数ペア:

[(1, 79784404), (2, 39892202), (4, 19946101), (7, 11397772), (14, 5698886), (28, 2849443), (67, 1190812), (71, 1123724), (134, 595406), (142, 561862), (268, 297703), (284, 280931), (469, 170116), (497, 160532), (599, 133196), (938, 85058), (994, 80266), (1198, 66598), (1876, 42529), (1988, 40133), (2396, 33299), (4193, 19028), (4757, 16772), (8386, 9514)]