31319296

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 67697280

約数和(自身を除く): 36377984

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 64, 76, 94, 128, 137, 152, 188, 256, 274, 304, 376, 548, 608, 752, 893, 1096, 1216, 1504, 1786, 2192, 2432, 2603, 3008, 3572, 4384, 4864, 5206, 6016, 6439, 7144, 8768, 10412, 12032, 12878, 14288, 17536, 20824, 25756, 28576, 35072, 41648, 51512, 57152, 83296, 103024, 114304, 122341, 166592, 206048, 228608, 244682, 333184, 412096, 489364, 666368, 824192, 978728, 1648384, 1957456, 3914912, 7829824, 15659648, 31319296]

約数ペア:

[(1, 31319296), (2, 15659648), (4, 7829824), (8, 3914912), (16, 1957456), (19, 1648384), (32, 978728), (38, 824192), (47, 666368), (64, 489364), (76, 412096), (94, 333184), (128, 244682), (137, 228608), (152, 206048), (188, 166592), (256, 122341), (274, 114304), (304, 103024), (376, 83296), (548, 57152), (608, 51512), (752, 41648), (893, 35072), (1096, 28576), (1216, 25756), (1504, 20824), (1786, 17536), (2192, 14288), (2432, 12878), (2603, 12032), (3008, 10412), (3572, 8768), (4384, 7144), (4864, 6439), (5206, 6016)]