395720985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1987}}^1$

素因数の和:2094

約数の個数: 64

約数和(自身を含む): 742017024

約数和(自身を除く): 346296039

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 71, 85, 165, 187, 213, 255, 355, 561, 781, 935, 1065, 1207, 1987, 2343, 2805, 3621, 3905, 5961, 6035, 9935, 11715, 13277, 18105, 21857, 29805, 33779, 39831, 65571, 66385, 101337, 109285, 141077, 168895, 199155, 327855, 371569, 423231, 506685, 705385, 1114707, 1551847, 1857845, 2116155, 2398309, 4655541, 5573535, 7194927, 7759235, 11991545, 23277705, 26381399, 35974635, 79144197, 131906995, 395720985]

約数ペア:

[(1, 395720985), (3, 131906995), (5, 79144197), (11, 35974635), (15, 26381399), (17, 23277705), (33, 11991545), (51, 7759235), (55, 7194927), (71, 5573535), (85, 4655541), (165, 2398309), (187, 2116155), (213, 1857845), (255, 1551847), (355, 1114707), (561, 705385), (781, 506685), (935, 423231), (1065, 371569), (1207, 327855), (1987, 199155), (2343, 168895), (2805, 141077), (3621, 109285), (3905, 101337), (5961, 66385), (6035, 65571), (9935, 39831), (11715, 33779), (13277, 29805), (18105, 21857)]