81670208

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1429}}^1$

素因数の和:1507

約数の個数: 56

約数和(自身を含む): 174345600

約数和(自身を除く): 92675392

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 64, 76, 94, 152, 188, 304, 376, 608, 752, 893, 1216, 1429, 1504, 1786, 2858, 3008, 3572, 5716, 7144, 11432, 14288, 22864, 27151, 28576, 45728, 54302, 57152, 67163, 91456, 108604, 134326, 217208, 268652, 434416, 537304, 868832, 1074608, 1276097, 1737664, 2149216, 2552194, 4298432, 5104388, 10208776, 20417552, 40835104, 81670208]

約数ペア:

[(1, 81670208), (2, 40835104), (4, 20417552), (8, 10208776), (16, 5104388), (19, 4298432), (32, 2552194), (38, 2149216), (47, 1737664), (64, 1276097), (76, 1074608), (94, 868832), (152, 537304), (188, 434416), (304, 268652), (376, 217208), (608, 134326), (752, 108604), (893, 91456), (1216, 67163), (1429, 57152), (1504, 54302), (1786, 45728), (2858, 28576), (3008, 27151), (3572, 22864), (5716, 14288), (7144, 11432)]