78980209

素因数分解:

$7^3\times {\mathrm{11}}^3\times {\mathrm{173}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 101894400

約数和(自身を除く): 22914191

約数列:

[1, 7, 11, 49, 77, 121, 173, 343, 539, 847, 1211, 1331, 1903, 3773, 5929, 8477, 9317, 13321, 20933, 41503, 59339, 65219, 93247, 146531, 230263, 456533, 652729, 1025717, 1611841, 7180019, 11282887, 78980209]

約数ペア:

[(1, 78980209), (7, 11282887), (11, 7180019), (49, 1611841), (77, 1025717), (121, 652729), (173, 456533), (343, 230263), (539, 146531), (847, 93247), (1211, 65219), (1331, 59339), (1903, 41503), (3773, 20933), (5929, 13321), (8477, 9317)]