208545786

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 519552000

約数和(自身を除く): 311006214

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 29, 38, 43, 54, 57, 58, 86, 87, 114, 129, 163, 171, 174, 258, 261, 326, 342, 387, 489, 513, 522, 551, 774, 783, 817, 978, 1026, 1102, 1161, 1247, 1467, 1566, 1634, 1653, 2322, 2451, 2494, 2934, 3097, 3306, 3741, 4401, 4727, 4902, 4959, 6194, 7009, 7353, 7482, 8802, 9291, 9454, 9918, 11223, 14018, 14181, 14706, 14877, 18582, 21027, 22059, 22446, 23693, 27873, 28362, 29754, 33669, 42054, 42543, 44118, 47386, 55746, 63081, 67338, 71079, 83619, 85086, 89813, 126162, 127629, 133171, 142158, 167238, 179626, 189243, 203261, 213237, 255258, 266342, 269439, 378486, 399513, 406522, 426474, 538878, 609783, 639711, 799026, 808317, 1198539, 1219566, 1279422, 1616634, 1829349, 2397078, 2424951, 3595617, 3658698, 3861959, 4849902, 5488047, 7191234, 7723918, 10976094, 11585877, 23171754, 34757631, 69515262, 104272893, 208545786]

約数ペア:

[(1, 208545786), (2, 104272893), (3, 69515262), (6, 34757631), (9, 23171754), (18, 11585877), (19, 10976094), (27, 7723918), (29, 7191234), (38, 5488047), (43, 4849902), (54, 3861959), (57, 3658698), (58, 3595617), (86, 2424951), (87, 2397078), (114, 1829349), (129, 1616634), (163, 1279422), (171, 1219566), (174, 1198539), (258, 808317), (261, 799026), (326, 639711), (342, 609783), (387, 538878), (489, 426474), (513, 406522), (522, 399513), (551, 378486), (774, 269439), (783, 266342), (817, 255258), (978, 213237), (1026, 203261), (1102, 189243), (1161, 179626), (1247, 167238), (1467, 142158), (1566, 133171), (1634, 127629), (1653, 126162), (2322, 89813), (2451, 85086), (2494, 83619), (2934, 71079), (3097, 67338), (3306, 63081), (3741, 55746), (4401, 47386), (4727, 44118), (4902, 42543), (4959, 42054), (6194, 33669), (7009, 29754), (7353, 28362), (7482, 27873), (8802, 23693), (9291, 22446), (9454, 22059), (9918, 21027), (11223, 18582), (14018, 14877), (14181, 14706)]