28394912

素因数分解:

$2^5\times 7^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 70560000

約数和(自身を除く): 42165088

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 199, 208, 224, 343, 364, 392, 398, 416, 637, 686, 728, 784, 796, 1274, 1372, 1393, 1456, 1568, 1592, 2548, 2587, 2744, 2786, 2912, 3184, 4459, 5096, 5174, 5488, 5572, 6368, 8918, 9751, 10192, 10348, 10976, 11144, 17836, 18109, 19502, 20384, 20696, 22288, 35672, 36218, 39004, 41392, 44576, 68257, 71344, 72436, 78008, 82784, 126763, 136514, 142688, 144872, 156016, 253526, 273028, 289744, 312032, 507052, 546056, 579488, 887341, 1014104, 1092112, 1774682, 2028208, 2184224, 3549364, 4056416, 7098728, 14197456, 28394912]

約数ペア:

[(1, 28394912), (2, 14197456), (4, 7098728), (7, 4056416), (8, 3549364), (13, 2184224), (14, 2028208), (16, 1774682), (26, 1092112), (28, 1014104), (32, 887341), (49, 579488), (52, 546056), (56, 507052), (91, 312032), (98, 289744), (104, 273028), (112, 253526), (182, 156016), (196, 144872), (199, 142688), (208, 136514), (224, 126763), (343, 82784), (364, 78008), (392, 72436), (398, 71344), (416, 68257), (637, 44576), (686, 41392), (728, 39004), (784, 36218), (796, 35672), (1274, 22288), (1372, 20696), (1393, 20384), (1456, 19502), (1568, 18109), (1592, 17836), (2548, 11144), (2587, 10976), (2744, 10348), (2786, 10192), (2912, 9751), (3184, 8918), (4459, 6368), (5096, 5572), (5174, 5488)]