128211798

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:214

約数の個数: 128

約数和(自身を含む): 322237440

約数和(自身を除く): 194025642

約数列:

[1, 2, 3, 6, 11, 13, 22, 23, 26, 33, 39, 46, 66, 69, 73, 78, 89, 138, 143, 146, 178, 219, 253, 267, 286, 299, 429, 438, 506, 534, 598, 759, 803, 858, 897, 949, 979, 1157, 1518, 1606, 1679, 1794, 1898, 1958, 2047, 2314, 2409, 2847, 2937, 3289, 3358, 3471, 4094, 4818, 5037, 5694, 5874, 6141, 6497, 6578, 6942, 9867, 10074, 10439, 12282, 12727, 12994, 18469, 19491, 19734, 20878, 21827, 22517, 25454, 26611, 31317, 36938, 38181, 38982, 43654, 45034, 53222, 55407, 62634, 65481, 67551, 71467, 76362, 79833, 84461, 110814, 130962, 135102, 142934, 149431, 159666, 168922, 214401, 240097, 253383, 292721, 298862, 428802, 448293, 480194, 506766, 585442, 720291, 878163, 896586, 929071, 1440582, 1643741, 1756326, 1858142, 1942603, 2787213, 3287482, 3885206, 4931223, 5574426, 5827809, 9862446, 11655618, 21368633, 42737266, 64105899, 128211798]

約数ペア:

[(1, 128211798), (2, 64105899), (3, 42737266), (6, 21368633), (11, 11655618), (13, 9862446), (22, 5827809), (23, 5574426), (26, 4931223), (33, 3885206), (39, 3287482), (46, 2787213), (66, 1942603), (69, 1858142), (73, 1756326), (78, 1643741), (89, 1440582), (138, 929071), (143, 896586), (146, 878163), (178, 720291), (219, 585442), (253, 506766), (267, 480194), (286, 448293), (299, 428802), (429, 298862), (438, 292721), (506, 253383), (534, 240097), (598, 214401), (759, 168922), (803, 159666), (858, 149431), (897, 142934), (949, 135102), (979, 130962), (1157, 110814), (1518, 84461), (1606, 79833), (1679, 76362), (1794, 71467), (1898, 67551), (1958, 65481), (2047, 62634), (2314, 55407), (2409, 53222), (2847, 45034), (2937, 43654), (3289, 38982), (3358, 38181), (3471, 36938), (4094, 31317), (4818, 26611), (5037, 25454), (5694, 22517), (5874, 21827), (6141, 20878), (6497, 19734), (6578, 19491), (6942, 18469), (9867, 12994), (10074, 12727), (10439, 12282)]