1388403414

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{707647}}^1$

素因数の和:707764

約数の個数: 24

約数和(自身を含む): 3035809920

約数和(自身を除く): 1647406506

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 327, 654, 981, 1962, 707647, 1415294, 2122941, 4245882, 6368823, 12737646, 77133523, 154267046, 231400569, 462801138, 694201707, 1388403414]

約数ペア:

[(1, 1388403414), (2, 694201707), (3, 462801138), (6, 231400569), (9, 154267046), (18, 77133523), (109, 12737646), (218, 6368823), (327, 4245882), (654, 2122941), (981, 1415294), (1962, 707647)]