28863156

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:469

約数の個数: 72

約数和(自身を含む): 79059456

約数和(自身を除く): 50196300

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 191, 196, 257, 294, 382, 514, 573, 588, 764, 771, 1028, 1146, 1337, 1542, 1799, 2292, 2674, 3084, 3598, 4011, 5348, 5397, 7196, 8022, 9359, 10794, 12593, 16044, 18718, 21588, 25186, 28077, 37436, 37779, 49087, 50372, 56154, 75558, 98174, 112308, 147261, 151116, 196348, 294522, 343609, 589044, 687218, 1030827, 1374436, 2061654, 2405263, 4123308, 4810526, 7215789, 9621052, 14431578, 28863156]

約数ペア:

[(1, 28863156), (2, 14431578), (3, 9621052), (4, 7215789), (6, 4810526), (7, 4123308), (12, 2405263), (14, 2061654), (21, 1374436), (28, 1030827), (42, 687218), (49, 589044), (84, 343609), (98, 294522), (147, 196348), (191, 151116), (196, 147261), (257, 112308), (294, 98174), (382, 75558), (514, 56154), (573, 50372), (588, 49087), (764, 37779), (771, 37436), (1028, 28077), (1146, 25186), (1337, 21588), (1542, 18718), (1799, 16044), (2292, 12593), (2674, 10794), (3084, 9359), (3598, 8022), (4011, 7196), (5348, 5397)]