128714768

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:281

約数の個数: 120

約数和(自身を含む): 318526488

約数和(自身を除く): 189811720

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 73, 91, 98, 104, 112, 146, 173, 182, 196, 208, 292, 346, 364, 392, 511, 584, 637, 692, 728, 784, 949, 1022, 1168, 1211, 1274, 1384, 1456, 1898, 2044, 2249, 2422, 2548, 2768, 3577, 3796, 4088, 4498, 4844, 5096, 6643, 7154, 7592, 8176, 8477, 8996, 9688, 10192, 12629, 13286, 14308, 15184, 15743, 16954, 17992, 19376, 25258, 26572, 28616, 31486, 33908, 35984, 46501, 50516, 53144, 57232, 62972, 67816, 88403, 93002, 101032, 106288, 110201, 125944, 135632, 164177, 176806, 186004, 202064, 220402, 251888, 328354, 353612, 372008, 440804, 618821, 656708, 707224, 744016, 881608, 1149239, 1237642, 1313416, 1414448, 1763216, 2298478, 2475284, 2626832, 4596956, 4950568, 8044673, 9193912, 9901136, 16089346, 18387824, 32178692, 64357384, 128714768]

約数ペア:

[(1, 128714768), (2, 64357384), (4, 32178692), (7, 18387824), (8, 16089346), (13, 9901136), (14, 9193912), (16, 8044673), (26, 4950568), (28, 4596956), (49, 2626832), (52, 2475284), (56, 2298478), (73, 1763216), (91, 1414448), (98, 1313416), (104, 1237642), (112, 1149239), (146, 881608), (173, 744016), (182, 707224), (196, 656708), (208, 618821), (292, 440804), (346, 372008), (364, 353612), (392, 328354), (511, 251888), (584, 220402), (637, 202064), (692, 186004), (728, 176806), (784, 164177), (949, 135632), (1022, 125944), (1168, 110201), (1211, 106288), (1274, 101032), (1384, 93002), (1456, 88403), (1898, 67816), (2044, 62972), (2249, 57232), (2422, 53144), (2548, 50516), (2768, 46501), (3577, 35984), (3796, 33908), (4088, 31486), (4498, 28616), (4844, 26572), (5096, 25258), (6643, 19376), (7154, 17992), (7592, 16954), (8176, 15743), (8477, 15184), (8996, 14308), (9688, 13286), (10192, 12629)]