16128784

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 38890368

約数和(自身を除く): 22761584

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 43, 56, 68, 86, 112, 119, 136, 172, 197, 238, 272, 301, 344, 394, 476, 602, 688, 731, 788, 952, 1204, 1379, 1462, 1576, 1904, 2408, 2758, 2924, 3152, 3349, 4816, 5117, 5516, 5848, 6698, 8471, 10234, 11032, 11696, 13396, 16942, 20468, 22064, 23443, 26792, 33884, 40936, 46886, 53584, 59297, 67768, 81872, 93772, 118594, 135536, 144007, 187544, 237188, 288014, 375088, 474376, 576028, 948752, 1008049, 1152056, 2016098, 2304112, 4032196, 8064392, 16128784]

約数ペア:

[(1, 16128784), (2, 8064392), (4, 4032196), (7, 2304112), (8, 2016098), (14, 1152056), (16, 1008049), (17, 948752), (28, 576028), (34, 474376), (43, 375088), (56, 288014), (68, 237188), (86, 187544), (112, 144007), (119, 135536), (136, 118594), (172, 93772), (197, 81872), (238, 67768), (272, 59297), (301, 53584), (344, 46886), (394, 40936), (476, 33884), (602, 26792), (688, 23443), (731, 22064), (788, 20468), (952, 16942), (1204, 13396), (1379, 11696), (1462, 11032), (1576, 10234), (1904, 8471), (2408, 6698), (2758, 5848), (2924, 5516), (3152, 5117), (3349, 4816)]