209538362

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:156

約数の個数: 72

約数和(自身を含む): 385113204

約数和(自身を除く): 175574842

約数列:

[1, 2, 11, 17, 22, 31, 34, 53, 62, 106, 121, 187, 242, 341, 374, 527, 583, 682, 901, 961, 1054, 1166, 1643, 1802, 1922, 2057, 3286, 3751, 4114, 5797, 6413, 7502, 9911, 10571, 11594, 12826, 16337, 18073, 19822, 21142, 27931, 32674, 36146, 50933, 55862, 63767, 101866, 109021, 116281, 127534, 179707, 198803, 218042, 232562, 307241, 359414, 397606, 560263, 614482, 865861, 1120526, 1731722, 1976777, 3379651, 3953554, 6162893, 6759302, 9524471, 12325786, 19048942, 104769181, 209538362]

約数ペア:

[(1, 209538362), (2, 104769181), (11, 19048942), (17, 12325786), (22, 9524471), (31, 6759302), (34, 6162893), (53, 3953554), (62, 3379651), (106, 1976777), (121, 1731722), (187, 1120526), (242, 865861), (341, 614482), (374, 560263), (527, 397606), (583, 359414), (682, 307241), (901, 232562), (961, 218042), (1054, 198803), (1166, 179707), (1643, 127534), (1802, 116281), (1922, 109021), (2057, 101866), (3286, 63767), (3751, 55862), (4114, 50933), (5797, 36146), (6413, 32674), (7502, 27931), (9911, 21142), (10571, 19822), (11594, 18073), (12826, 16337)]