66813901

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:286

約数の個数: 36

約数和(自身を含む): 87333120

約数和(自身を除く): 20519219

約数列:

[1, 7, 11, 49, 59, 77, 121, 191, 413, 539, 649, 847, 1337, 2101, 2891, 4543, 5929, 7139, 9359, 11269, 14707, 23111, 31801, 49973, 78883, 102949, 123959, 161777, 349811, 552181, 867713, 1132439, 1363549, 6073991, 9544843, 66813901]

約数ペア:

[(1, 66813901), (7, 9544843), (11, 6073991), (49, 1363549), (59, 1132439), (77, 867713), (121, 552181), (191, 349811), (413, 161777), (539, 123959), (649, 102949), (847, 78883), (1337, 49973), (2101, 31801), (2891, 23111), (4543, 14707), (5929, 11269), (7139, 9359)]