2175866

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 4147200

約数和(自身を除く): 1971334

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 142, 154, 199, 398, 497, 781, 994, 1393, 1562, 2189, 2786, 4378, 5467, 10934, 14129, 15323, 28258, 30646, 98903, 155419, 197806, 310838, 1087933, 2175866]

約数ペア:

[(1, 2175866), (2, 1087933), (7, 310838), (11, 197806), (14, 155419), (22, 98903), (71, 30646), (77, 28258), (142, 15323), (154, 14129), (199, 10934), (398, 5467), (497, 4378), (781, 2786), (994, 2189), (1393, 1562)]