78777439

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 96223680

約数和(自身を除く): 17446241

約数列:

[1, 13, 17, 19, 73, 221, 247, 257, 323, 949, 1241, 1387, 3341, 4199, 4369, 4883, 16133, 18031, 18761, 23579, 56797, 63479, 83011, 243893, 306527, 318937, 356459, 1079143, 4146181, 4633967, 6059803, 78777439]

約数ペア:

[(1, 78777439), (13, 6059803), (17, 4633967), (19, 4146181), (73, 1079143), (221, 356459), (247, 318937), (257, 306527), (323, 243893), (949, 83011), (1241, 63479), (1387, 56797), (3341, 23579), (4199, 18761), (4369, 18031), (4883, 16133)]