209508354

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:197

約数の個数: 144

約数和(自身を含む): 537788160

約数和(自身を除く): 328279806

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 29, 31, 33, 58, 62, 66, 87, 93, 99, 107, 121, 174, 186, 198, 214, 242, 261, 279, 319, 321, 341, 363, 522, 558, 638, 642, 682, 726, 899, 957, 963, 1023, 1089, 1177, 1798, 1914, 1926, 2046, 2178, 2354, 2697, 2871, 3069, 3103, 3317, 3509, 3531, 3751, 5394, 5742, 6138, 6206, 6634, 7018, 7062, 7502, 8091, 9309, 9889, 9951, 10527, 10593, 11253, 12947, 16182, 18618, 19778, 19902, 21054, 21186, 22506, 25894, 27927, 29667, 29853, 31581, 33759, 34133, 36487, 38841, 55854, 59334, 59706, 63162, 67518, 68266, 72974, 77682, 89001, 96193, 102399, 108779, 109461, 116523, 178002, 192386, 204798, 217558, 218922, 233046, 288579, 307197, 326337, 328383, 375463, 401357, 577158, 614394, 652674, 656766, 750926, 802714, 865737, 979011, 1058123, 1126389, 1204071, 1731474, 1958022, 2116246, 2252778, 2408142, 3174369, 3379167, 3612213, 6348738, 6758334, 7224426, 9523107, 11639353, 19046214, 23278706, 34918059, 69836118, 104754177, 209508354]

約数ペア:

[(1, 209508354), (2, 104754177), (3, 69836118), (6, 34918059), (9, 23278706), (11, 19046214), (18, 11639353), (22, 9523107), (29, 7224426), (31, 6758334), (33, 6348738), (58, 3612213), (62, 3379167), (66, 3174369), (87, 2408142), (93, 2252778), (99, 2116246), (107, 1958022), (121, 1731474), (174, 1204071), (186, 1126389), (198, 1058123), (214, 979011), (242, 865737), (261, 802714), (279, 750926), (319, 656766), (321, 652674), (341, 614394), (363, 577158), (522, 401357), (558, 375463), (638, 328383), (642, 326337), (682, 307197), (726, 288579), (899, 233046), (957, 218922), (963, 217558), (1023, 204798), (1089, 192386), (1177, 178002), (1798, 116523), (1914, 109461), (1926, 108779), (2046, 102399), (2178, 96193), (2354, 89001), (2697, 77682), (2871, 72974), (3069, 68266), (3103, 67518), (3317, 63162), (3509, 59706), (3531, 59334), (3751, 55854), (5394, 38841), (5742, 36487), (6138, 34133), (6206, 33759), (6634, 31581), (7018, 29853), (7062, 29667), (7502, 27927), (8091, 25894), (9309, 22506), (9889, 21186), (9951, 21054), (10527, 19902), (10593, 19778), (11253, 18618), (12947, 16182)]