208721884

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 453791744

約数和(自身を除く): 245069860

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 62, 67, 74, 97, 124, 134, 148, 194, 217, 259, 268, 388, 434, 469, 518, 679, 868, 938, 1036, 1147, 1358, 1876, 2077, 2294, 2479, 2716, 3007, 3589, 4154, 4588, 4958, 6014, 6499, 7178, 8029, 8308, 9916, 12028, 12998, 14356, 14539, 16058, 17353, 21049, 25123, 25996, 29078, 32116, 34706, 42098, 45493, 50246, 58156, 69412, 76849, 84196, 90986, 100492, 111259, 153698, 181972, 201469, 222518, 240463, 307396, 402938, 445036, 480926, 537943, 778813, 805876, 961852, 1075886, 1410283, 1557626, 1683241, 2151772, 2820566, 3115252, 3366482, 5641132, 6732964, 7454353, 14908706, 29817412, 52180471, 104360942, 208721884]

約数ペア:

[(1, 208721884), (2, 104360942), (4, 52180471), (7, 29817412), (14, 14908706), (28, 7454353), (31, 6732964), (37, 5641132), (62, 3366482), (67, 3115252), (74, 2820566), (97, 2151772), (124, 1683241), (134, 1557626), (148, 1410283), (194, 1075886), (217, 961852), (259, 805876), (268, 778813), (388, 537943), (434, 480926), (469, 445036), (518, 402938), (679, 307396), (868, 240463), (938, 222518), (1036, 201469), (1147, 181972), (1358, 153698), (1876, 111259), (2077, 100492), (2294, 90986), (2479, 84196), (2716, 76849), (3007, 69412), (3589, 58156), (4154, 50246), (4588, 45493), (4958, 42098), (6014, 34706), (6499, 32116), (7178, 29078), (8029, 25996), (8308, 25123), (9916, 21049), (12028, 17353), (12998, 16058), (14356, 14539)]