278839808

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{41893}}^1$

素因数の和:41924

約数の個数: 40

約数和(自身を含む): 600005868

約数和(自身を除く): 321166060

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 41893, 83786, 167572, 335144, 544609, 670288, 1089218, 1340576, 2178436, 2681152, 4356872, 5362304, 8713744, 10724608, 17427488, 21449216, 34854976, 69709952, 139419904, 278839808]

約数ペア:

[(1, 278839808), (2, 139419904), (4, 69709952), (8, 34854976), (13, 21449216), (16, 17427488), (26, 10724608), (32, 8713744), (52, 5362304), (64, 4356872), (104, 2681152), (128, 2178436), (208, 1340576), (256, 1089218), (416, 670288), (512, 544609), (832, 335144), (1664, 167572), (3328, 83786), (6656, 41893)]