28013256

素因数分解:

$2^3\times 3^3\times {\mathrm{53}}^1\times {\mathrm{2447}}^1$

素因数の和:2515

約数の個数: 64

約数和(自身を含む): 79315200

約数和(自身を除く): 51301944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 53, 54, 72, 106, 108, 159, 212, 216, 318, 424, 477, 636, 954, 1272, 1431, 1908, 2447, 2862, 3816, 4894, 5724, 7341, 9788, 11448, 14682, 19576, 22023, 29364, 44046, 58728, 66069, 88092, 129691, 132138, 176184, 259382, 264276, 389073, 518764, 528552, 778146, 1037528, 1167219, 1556292, 2334438, 3112584, 3501657, 4668876, 7003314, 9337752, 14006628, 28013256]

約数ペア:

[(1, 28013256), (2, 14006628), (3, 9337752), (4, 7003314), (6, 4668876), (8, 3501657), (9, 3112584), (12, 2334438), (18, 1556292), (24, 1167219), (27, 1037528), (36, 778146), (53, 528552), (54, 518764), (72, 389073), (106, 264276), (108, 259382), (159, 176184), (212, 132138), (216, 129691), (318, 88092), (424, 66069), (477, 58728), (636, 44046), (954, 29364), (1272, 22023), (1431, 19576), (1908, 14682), (2447, 11448), (2862, 9788), (3816, 7341), (4894, 5724)]