28163856

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{769}}^1$

素因数の和:896

約数の個数: 80

約数和(自身を含む): 84022400

約数和(自身を除く): 55858544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 109, 112, 168, 218, 327, 336, 436, 654, 763, 769, 872, 1308, 1526, 1538, 1744, 2289, 2307, 2616, 3052, 3076, 4578, 4614, 5232, 5383, 6104, 6152, 9156, 9228, 10766, 12208, 12304, 16149, 18312, 18456, 21532, 32298, 36624, 36912, 43064, 64596, 83821, 86128, 129192, 167642, 251463, 258384, 335284, 502926, 586747, 670568, 1005852, 1173494, 1341136, 1760241, 2011704, 2346988, 3520482, 4023408, 4693976, 7040964, 9387952, 14081928, 28163856]

約数ペア:

[(1, 28163856), (2, 14081928), (3, 9387952), (4, 7040964), (6, 4693976), (7, 4023408), (8, 3520482), (12, 2346988), (14, 2011704), (16, 1760241), (21, 1341136), (24, 1173494), (28, 1005852), (42, 670568), (48, 586747), (56, 502926), (84, 335284), (109, 258384), (112, 251463), (168, 167642), (218, 129192), (327, 86128), (336, 83821), (436, 64596), (654, 43064), (763, 36912), (769, 36624), (872, 32298), (1308, 21532), (1526, 18456), (1538, 18312), (1744, 16149), (2289, 12304), (2307, 12208), (2616, 10766), (3052, 9228), (3076, 9156), (4578, 6152), (4614, 6104), (5232, 5383)]