665447489

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 828843840

約数和(自身を除く): 163396351

約数列:

[1, 7, 43, 49, 53, 59, 101, 301, 371, 413, 707, 2107, 2279, 2537, 2597, 2891, 3127, 4343, 4949, 5353, 5959, 15953, 17759, 21889, 30401, 37471, 41713, 111671, 124313, 134461, 153223, 212807, 230179, 256237, 262297, 291991, 315827, 941227, 1611253, 1793659, 2210789, 6588589, 11278771, 12555613, 13580561, 15475523, 95063927, 665447489]

約数ペア:

[(1, 665447489), (7, 95063927), (43, 15475523), (49, 13580561), (53, 12555613), (59, 11278771), (101, 6588589), (301, 2210789), (371, 1793659), (413, 1611253), (707, 941227), (2107, 315827), (2279, 291991), (2537, 262297), (2597, 256237), (2891, 230179), (3127, 212807), (4343, 153223), (4949, 134461), (5353, 124313), (5959, 111671), (15953, 41713), (17759, 37471), (21889, 30401)]