30821686

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{16553}}^1$

素因数の和:16588

約数の個数: 24

約数和(自身を含む): 56614680

約数和(自身を除く): 25792994

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 16553, 33106, 115871, 231742, 314507, 629014, 811097, 1622194, 2201549, 4403098, 15410843, 30821686]

約数ペア:

[(1, 30821686), (2, 15410843), (7, 4403098), (14, 2201549), (19, 1622194), (38, 811097), (49, 629014), (98, 314507), (133, 231742), (266, 115871), (931, 33106), (1862, 16553)]