78128144

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{20431}}^1$

素因数の和:20678

約数の個数: 20

約数和(自身を含む): 152014080

約数和(自身を除く): 73885936

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 20431, 40862, 81724, 163448, 326896, 4883009, 9766018, 19532036, 39064072, 78128144]

約数ペア:

[(1, 78128144), (2, 39064072), (4, 19532036), (8, 9766018), (16, 4883009), (239, 326896), (478, 163448), (956, 81724), (1912, 40862), (3824, 20431)]