213838352

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{20981}}^1$

素因数の和:21016

約数の個数: 60

約数和(自身を含む): 519052716

約数和(自身を除く): 305214364

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 364, 392, 637, 728, 784, 1274, 1456, 2548, 5096, 10192, 20981, 41962, 83924, 146867, 167848, 272753, 293734, 335696, 545506, 587468, 1028069, 1091012, 1174936, 1909271, 2056138, 2182024, 2349872, 3818542, 4112276, 4364048, 7637084, 8224552, 13364897, 15274168, 16449104, 26729794, 30548336, 53459588, 106919176, 213838352]

約数ペア:

[(1, 213838352), (2, 106919176), (4, 53459588), (7, 30548336), (8, 26729794), (13, 16449104), (14, 15274168), (16, 13364897), (26, 8224552), (28, 7637084), (49, 4364048), (52, 4112276), (56, 3818542), (91, 2349872), (98, 2182024), (104, 2056138), (112, 1909271), (182, 1174936), (196, 1091012), (208, 1028069), (364, 587468), (392, 545506), (637, 335696), (728, 293734), (784, 272753), (1274, 167848), (1456, 146867), (2548, 83924), (5096, 41962), (10192, 20981)]