28909336

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2137}}^1$

素因数の和:2251

約数の個数: 32

約数和(自身を含む): 57726000

約数和(自身を除く): 28816664

約数列:

[1, 2, 4, 8, 19, 38, 76, 89, 152, 178, 356, 712, 1691, 2137, 3382, 4274, 6764, 8548, 13528, 17096, 40603, 81206, 162412, 190193, 324824, 380386, 760772, 1521544, 3613667, 7227334, 14454668, 28909336]

約数ペア:

[(1, 28909336), (2, 14454668), (4, 7227334), (8, 3613667), (19, 1521544), (38, 760772), (76, 380386), (89, 324824), (152, 190193), (178, 162412), (356, 81206), (712, 40603), (1691, 17096), (2137, 13528), (3382, 8548), (4274, 6764)]