28816368

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{617}}^1$

素因数の和:774

約数の個数: 80

約数和(自身を含む): 85827840

約数和(自身を除く): 57011472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 139, 168, 278, 336, 417, 556, 617, 834, 973, 1112, 1234, 1668, 1851, 1946, 2224, 2468, 2919, 3336, 3702, 3892, 4319, 4936, 5838, 6672, 7404, 7784, 8638, 9872, 11676, 12957, 14808, 15568, 17276, 23352, 25914, 29616, 34552, 46704, 51828, 69104, 85763, 103656, 171526, 207312, 257289, 343052, 514578, 600341, 686104, 1029156, 1200682, 1372208, 1801023, 2058312, 2401364, 3602046, 4116624, 4802728, 7204092, 9605456, 14408184, 28816368]

約数ペア:

[(1, 28816368), (2, 14408184), (3, 9605456), (4, 7204092), (6, 4802728), (7, 4116624), (8, 3602046), (12, 2401364), (14, 2058312), (16, 1801023), (21, 1372208), (24, 1200682), (28, 1029156), (42, 686104), (48, 600341), (56, 514578), (84, 343052), (112, 257289), (139, 207312), (168, 171526), (278, 103656), (336, 85763), (417, 69104), (556, 51828), (617, 46704), (834, 34552), (973, 29616), (1112, 25914), (1234, 23352), (1668, 17276), (1851, 15568), (1946, 14808), (2224, 12957), (2468, 11676), (2919, 9872), (3336, 8638), (3702, 7784), (3892, 7404), (4319, 6672), (4936, 5838)]