28812784

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:303

約数の個数: 120

約数和(自身を含む): 76588848

約数和(自身を除く): 47776064

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 49, 52, 56, 77, 88, 91, 98, 104, 112, 143, 154, 176, 182, 196, 208, 257, 286, 308, 364, 392, 514, 539, 572, 616, 637, 728, 784, 1001, 1028, 1078, 1144, 1232, 1274, 1456, 1799, 2002, 2056, 2156, 2288, 2548, 2827, 3341, 3598, 4004, 4112, 4312, 5096, 5654, 6682, 7007, 7196, 8008, 8624, 10192, 11308, 12593, 13364, 14014, 14392, 16016, 19789, 22616, 23387, 25186, 26728, 28028, 28784, 36751, 39578, 45232, 46774, 50372, 53456, 56056, 73502, 79156, 93548, 100744, 112112, 138523, 147004, 158312, 163709, 187096, 201488, 257257, 277046, 294008, 316624, 327418, 374192, 514514, 554092, 588016, 654836, 1029028, 1108184, 1309672, 1800799, 2058056, 2216368, 2619344, 3601598, 4116112, 7203196, 14406392, 28812784]

約数ペア:

[(1, 28812784), (2, 14406392), (4, 7203196), (7, 4116112), (8, 3601598), (11, 2619344), (13, 2216368), (14, 2058056), (16, 1800799), (22, 1309672), (26, 1108184), (28, 1029028), (44, 654836), (49, 588016), (52, 554092), (56, 514514), (77, 374192), (88, 327418), (91, 316624), (98, 294008), (104, 277046), (112, 257257), (143, 201488), (154, 187096), (176, 163709), (182, 158312), (196, 147004), (208, 138523), (257, 112112), (286, 100744), (308, 93548), (364, 79156), (392, 73502), (514, 56056), (539, 53456), (572, 50372), (616, 46774), (637, 45232), (728, 39578), (784, 36751), (1001, 28784), (1028, 28028), (1078, 26728), (1144, 25186), (1232, 23387), (1274, 22616), (1456, 19789), (1799, 16016), (2002, 14392), (2056, 14014), (2156, 13364), (2288, 12593), (2548, 11308), (2827, 10192), (3341, 8624), (3598, 8008), (4004, 7196), (4112, 7007), (4312, 6682), (5096, 5654)]