261010266

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:212

約数の個数: 128

約数和(自身を含む): 627056640

約数和(自身を除く): 366046374

約数列:

[1, 2, 3, 6, 11, 22, 29, 31, 33, 53, 58, 62, 66, 83, 87, 93, 106, 159, 166, 174, 186, 249, 318, 319, 341, 498, 583, 638, 682, 899, 913, 957, 1023, 1166, 1537, 1643, 1749, 1798, 1826, 1914, 2046, 2407, 2573, 2697, 2739, 3074, 3286, 3498, 4399, 4611, 4814, 4929, 5146, 5394, 5478, 7221, 7719, 8798, 9222, 9858, 9889, 13197, 14442, 15438, 16907, 18073, 19778, 26394, 26477, 28303, 29667, 33814, 36146, 47647, 48389, 50721, 52954, 54219, 56606, 59334, 74617, 79431, 84909, 95294, 96778, 101442, 108438, 127571, 136369, 142941, 145167, 149234, 158862, 169818, 223851, 255142, 272738, 285882, 290334, 382713, 409107, 447702, 524117, 765426, 818214, 820787, 1048234, 1403281, 1500059, 1572351, 1641574, 2462361, 2806562, 3000118, 3144702, 3954701, 4209843, 4500177, 4924722, 7909402, 8419686, 9000354, 11864103, 23728206, 43501711, 87003422, 130505133, 261010266]

約数ペア:

[(1, 261010266), (2, 130505133), (3, 87003422), (6, 43501711), (11, 23728206), (22, 11864103), (29, 9000354), (31, 8419686), (33, 7909402), (53, 4924722), (58, 4500177), (62, 4209843), (66, 3954701), (83, 3144702), (87, 3000118), (93, 2806562), (106, 2462361), (159, 1641574), (166, 1572351), (174, 1500059), (186, 1403281), (249, 1048234), (318, 820787), (319, 818214), (341, 765426), (498, 524117), (583, 447702), (638, 409107), (682, 382713), (899, 290334), (913, 285882), (957, 272738), (1023, 255142), (1166, 223851), (1537, 169818), (1643, 158862), (1749, 149234), (1798, 145167), (1826, 142941), (1914, 136369), (2046, 127571), (2407, 108438), (2573, 101442), (2697, 96778), (2739, 95294), (3074, 84909), (3286, 79431), (3498, 74617), (4399, 59334), (4611, 56606), (4814, 54219), (4929, 52954), (5146, 50721), (5394, 48389), (5478, 47647), (7221, 36146), (7719, 33814), (8798, 29667), (9222, 28303), (9858, 26477), (9889, 26394), (13197, 19778), (14442, 18073), (15438, 16907)]