28381784704

素因数分解:

$2^7\times 7^3\times {\mathrm{13}}^1\times {\mathrm{49727}}^1$

素因数の和:49775

約数の個数: 128

約数和(自身を含む): 71011584000

約数和(自身を除く): 42629799296

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 224, 343, 364, 392, 416, 448, 637, 686, 728, 784, 832, 896, 1274, 1372, 1456, 1568, 1664, 2548, 2744, 2912, 3136, 4459, 5096, 5488, 5824, 6272, 8918, 10192, 10976, 11648, 17836, 20384, 21952, 35672, 40768, 43904, 49727, 71344, 81536, 99454, 142688, 198908, 285376, 348089, 397816, 570752, 646451, 696178, 795632, 1292902, 1392356, 1591264, 2436623, 2585804, 2784712, 3182528, 4525157, 4873246, 5171608, 5569424, 6365056, 9050314, 9746492, 10343216, 11138848, 17056361, 18100628, 19492984, 20686432, 22277696, 31676099, 34112722, 36201256, 38985968, 41372864, 44555392, 63352198, 68225444, 72402512, 77971936, 82745728, 126704396, 136450888, 144805024, 155943872, 221732693, 253408792, 272901776, 289610048, 311887744, 443465386, 506817584, 545803552, 579220096, 886930772, 1013635168, 1091607104, 1773861544, 2027270336, 2183214208, 3547723088, 4054540672, 7095446176, 14190892352, 28381784704]

約数ペア:

[(1, 28381784704), (2, 14190892352), (4, 7095446176), (7, 4054540672), (8, 3547723088), (13, 2183214208), (14, 2027270336), (16, 1773861544), (26, 1091607104), (28, 1013635168), (32, 886930772), (49, 579220096), (52, 545803552), (56, 506817584), (64, 443465386), (91, 311887744), (98, 289610048), (104, 272901776), (112, 253408792), (128, 221732693), (182, 155943872), (196, 144805024), (208, 136450888), (224, 126704396), (343, 82745728), (364, 77971936), (392, 72402512), (416, 68225444), (448, 63352198), (637, 44555392), (686, 41372864), (728, 38985968), (784, 36201256), (832, 34112722), (896, 31676099), (1274, 22277696), (1372, 20686432), (1456, 19492984), (1568, 18100628), (1664, 17056361), (2548, 11138848), (2744, 10343216), (2912, 9746492), (3136, 9050314), (4459, 6365056), (5096, 5569424), (5488, 5171608), (5824, 4873246), (6272, 4525157), (8918, 3182528), (10192, 2784712), (10976, 2585804), (11648, 2436623), (17836, 1591264), (20384, 1392356), (21952, 1292902), (35672, 795632), (40768, 696178), (43904, 646451), (49727, 570752), (71344, 397816), (81536, 348089), (99454, 285376), (142688, 198908)]