256802364

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1823}}^1$

素因数の和:1896

約数の個数: 144

約数和(自身を含む): 817969152

約数和(自身を除く): 561166788

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 43, 52, 63, 78, 84, 86, 91, 117, 126, 129, 156, 172, 182, 234, 252, 258, 273, 301, 364, 387, 468, 516, 546, 559, 602, 774, 819, 903, 1092, 1118, 1204, 1548, 1638, 1677, 1806, 1823, 2236, 2709, 3276, 3354, 3612, 3646, 3913, 5031, 5418, 5469, 6708, 7292, 7826, 10062, 10836, 10938, 11739, 12761, 15652, 16407, 20124, 21876, 23478, 23699, 25522, 32814, 35217, 38283, 46956, 47398, 51044, 65628, 70434, 71097, 76566, 78389, 94796, 114849, 140868, 142194, 153132, 156778, 165893, 213291, 229698, 235167, 284388, 313556, 331786, 426582, 459396, 470334, 497679, 548723, 663572, 705501, 853164, 940668, 995358, 1019057, 1097446, 1411002, 1493037, 1646169, 1990716, 2038114, 2194892, 2822004, 2986074, 3057171, 3292338, 4076228, 4938507, 5972148, 6114342, 6584676, 7133399, 9171513, 9877014, 12228684, 14266798, 18343026, 19754028, 21400197, 28533596, 36686052, 42800394, 64200591, 85600788, 128401182, 256802364]

約数ペア:

[(1, 256802364), (2, 128401182), (3, 85600788), (4, 64200591), (6, 42800394), (7, 36686052), (9, 28533596), (12, 21400197), (13, 19754028), (14, 18343026), (18, 14266798), (21, 12228684), (26, 9877014), (28, 9171513), (36, 7133399), (39, 6584676), (42, 6114342), (43, 5972148), (52, 4938507), (63, 4076228), (78, 3292338), (84, 3057171), (86, 2986074), (91, 2822004), (117, 2194892), (126, 2038114), (129, 1990716), (156, 1646169), (172, 1493037), (182, 1411002), (234, 1097446), (252, 1019057), (258, 995358), (273, 940668), (301, 853164), (364, 705501), (387, 663572), (468, 548723), (516, 497679), (546, 470334), (559, 459396), (602, 426582), (774, 331786), (819, 313556), (903, 284388), (1092, 235167), (1118, 229698), (1204, 213291), (1548, 165893), (1638, 156778), (1677, 153132), (1806, 142194), (1823, 140868), (2236, 114849), (2709, 94796), (3276, 78389), (3354, 76566), (3612, 71097), (3646, 70434), (3913, 65628), (5031, 51044), (5418, 47398), (5469, 46956), (6708, 38283), (7292, 35217), (7826, 32814), (10062, 25522), (10836, 23699), (10938, 23478), (11739, 21876), (12761, 20124), (15652, 16407)]