278057234

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{3989}}^1$

素因数の和:4394

約数の個数: 32

約数和(自身を含む): 514805760

約数和(自身を除く): 236748526

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 383, 766, 2681, 3989, 4979, 5362, 7978, 9958, 27923, 34853, 51857, 55846, 69706, 103714, 362999, 725998, 1527787, 3055574, 10694509, 19861231, 21389018, 39722462, 139028617, 278057234]

約数ペア:

[(1, 278057234), (2, 139028617), (7, 39722462), (13, 21389018), (14, 19861231), (26, 10694509), (91, 3055574), (182, 1527787), (383, 725998), (766, 362999), (2681, 103714), (3989, 69706), (4979, 55846), (5362, 51857), (7978, 34853), (9958, 27923)]