28653824

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 62055840

約数和(自身を除く): 33402016

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 64, 76, 86, 128, 137, 152, 172, 256, 274, 304, 344, 548, 608, 688, 817, 1096, 1216, 1376, 1634, 2192, 2432, 2603, 2752, 3268, 4384, 4864, 5206, 5504, 5891, 6536, 8768, 10412, 11008, 11782, 13072, 17536, 20824, 23564, 26144, 35072, 41648, 47128, 52288, 83296, 94256, 104576, 111929, 166592, 188512, 209152, 223858, 333184, 377024, 447716, 666368, 754048, 895432, 1508096, 1790864, 3581728, 7163456, 14326912, 28653824]

約数ペア:

[(1, 28653824), (2, 14326912), (4, 7163456), (8, 3581728), (16, 1790864), (19, 1508096), (32, 895432), (38, 754048), (43, 666368), (64, 447716), (76, 377024), (86, 333184), (128, 223858), (137, 209152), (152, 188512), (172, 166592), (256, 111929), (274, 104576), (304, 94256), (344, 83296), (548, 52288), (608, 47128), (688, 41648), (817, 35072), (1096, 26144), (1216, 23564), (1376, 20824), (1634, 17536), (2192, 13072), (2432, 11782), (2603, 11008), (2752, 10412), (3268, 8768), (4384, 6536), (4864, 5891), (5206, 5504)]