128295258

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:276

約数の個数: 128

約数和(自身を含む): 338688000

約数和(自身を除く): 210392742

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 83, 91, 114, 133, 149, 166, 182, 247, 249, 266, 273, 298, 399, 447, 494, 498, 546, 581, 741, 798, 894, 1043, 1079, 1162, 1482, 1577, 1729, 1743, 1937, 2086, 2158, 2831, 3129, 3154, 3237, 3458, 3486, 3874, 4731, 5187, 5662, 5811, 6258, 6474, 7553, 8493, 9462, 10374, 11039, 11622, 12367, 13559, 15106, 16986, 19817, 20501, 22078, 22659, 24734, 27118, 33117, 36803, 37101, 39634, 40677, 41002, 45318, 59451, 61503, 66234, 73606, 74202, 81354, 86569, 110409, 118902, 123006, 143507, 160771, 173138, 220818, 234973, 257621, 259707, 287014, 321542, 430521, 469946, 482313, 515242, 519414, 704919, 772863, 861042, 964626, 1125397, 1409838, 1545726, 1644811, 2250794, 3054649, 3289622, 3376191, 4934433, 6109298, 6752382, 9163947, 9868866, 18327894, 21382543, 42765086, 64147629, 128295258]

約数ペア:

[(1, 128295258), (2, 64147629), (3, 42765086), (6, 21382543), (7, 18327894), (13, 9868866), (14, 9163947), (19, 6752382), (21, 6109298), (26, 4934433), (38, 3376191), (39, 3289622), (42, 3054649), (57, 2250794), (78, 1644811), (83, 1545726), (91, 1409838), (114, 1125397), (133, 964626), (149, 861042), (166, 772863), (182, 704919), (247, 519414), (249, 515242), (266, 482313), (273, 469946), (298, 430521), (399, 321542), (447, 287014), (494, 259707), (498, 257621), (546, 234973), (581, 220818), (741, 173138), (798, 160771), (894, 143507), (1043, 123006), (1079, 118902), (1162, 110409), (1482, 86569), (1577, 81354), (1729, 74202), (1743, 73606), (1937, 66234), (2086, 61503), (2158, 59451), (2831, 45318), (3129, 41002), (3154, 40677), (3237, 39634), (3458, 37101), (3486, 36803), (3874, 33117), (4731, 27118), (5187, 24734), (5662, 22659), (5811, 22078), (6258, 20501), (6474, 19817), (7553, 16986), (8493, 15106), (9462, 13559), (10374, 12367), (11039, 11622)]