78262261

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 106375680

約数和(自身を除く): 28113419

約数列:

[1, 7, 11, 23, 49, 59, 77, 107, 161, 253, 413, 539, 649, 749, 1127, 1177, 1357, 1771, 2461, 2891, 4543, 5243, 6313, 8239, 9499, 12397, 14927, 17227, 27071, 31801, 44191, 57673, 66493, 69443, 104489, 120589, 145199, 189497, 309337, 486101, 731423, 1016393, 1326479, 1597189, 3402707, 7114751, 11180323, 78262261]

約数ペア:

[(1, 78262261), (7, 11180323), (11, 7114751), (23, 3402707), (49, 1597189), (59, 1326479), (77, 1016393), (107, 731423), (161, 486101), (253, 309337), (413, 189497), (539, 145199), (649, 120589), (749, 104489), (1127, 69443), (1177, 66493), (1357, 57673), (1771, 44191), (2461, 31801), (2891, 27071), (4543, 17227), (5243, 14927), (6313, 12397), (8239, 9499)]