208994994

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{613}}^1$

素因数の和:712

約数の個数: 96

約数和(自身を含む): 514934784

約数和(自身を除く): 305939790

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 47, 62, 78, 93, 94, 117, 141, 186, 234, 279, 282, 403, 423, 558, 611, 613, 806, 846, 1209, 1222, 1226, 1457, 1833, 1839, 2418, 2914, 3627, 3666, 3678, 4371, 5499, 5517, 7254, 7969, 8742, 10998, 11034, 13113, 15938, 18941, 19003, 23907, 26226, 28811, 37882, 38006, 47814, 56823, 57009, 57622, 71721, 86433, 113646, 114018, 143442, 170469, 171027, 172866, 247039, 259299, 340938, 342054, 374543, 494078, 518598, 741117, 749086, 893141, 1123629, 1482234, 1786282, 2223351, 2247258, 2679423, 3370887, 4446702, 5358846, 6741774, 8038269, 11610833, 16076538, 23221666, 34832499, 69664998, 104497497, 208994994]

約数ペア:

[(1, 208994994), (2, 104497497), (3, 69664998), (6, 34832499), (9, 23221666), (13, 16076538), (18, 11610833), (26, 8038269), (31, 6741774), (39, 5358846), (47, 4446702), (62, 3370887), (78, 2679423), (93, 2247258), (94, 2223351), (117, 1786282), (141, 1482234), (186, 1123629), (234, 893141), (279, 749086), (282, 741117), (403, 518598), (423, 494078), (558, 374543), (611, 342054), (613, 340938), (806, 259299), (846, 247039), (1209, 172866), (1222, 171027), (1226, 170469), (1457, 143442), (1833, 114018), (1839, 113646), (2418, 86433), (2914, 71721), (3627, 57622), (3666, 57009), (3678, 56823), (4371, 47814), (5499, 38006), (5517, 37882), (7254, 28811), (7969, 26226), (8742, 23907), (10998, 19003), (11034, 18941), (13113, 15938)]