68027778

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:401

約数の個数: 144

約数和(自身を含む): 196068600

約数和(自身を除く): 128040822

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 34, 39, 42, 49, 51, 63, 78, 91, 98, 102, 117, 119, 126, 147, 153, 182, 221, 234, 238, 273, 294, 306, 349, 357, 441, 442, 546, 637, 663, 698, 714, 819, 833, 882, 1047, 1071, 1274, 1326, 1547, 1638, 1666, 1911, 1989, 2094, 2142, 2443, 2499, 3094, 3141, 3822, 3978, 4537, 4641, 4886, 4998, 5733, 5933, 6282, 7329, 7497, 9074, 9282, 10829, 11466, 11866, 13611, 13923, 14658, 14994, 17101, 17799, 21658, 21987, 27222, 27846, 31759, 32487, 34202, 35598, 40833, 41531, 43974, 51303, 53397, 63518, 64974, 77129, 81666, 83062, 95277, 97461, 102606, 106794, 124593, 153909, 154258, 190554, 194922, 222313, 231387, 249186, 285831, 290717, 307818, 373779, 444626, 462774, 539903, 571662, 581434, 666939, 694161, 747558, 872151, 1079806, 1333878, 1388322, 1619709, 1744302, 2000817, 2616453, 3239418, 3779321, 4001634, 4859127, 5232906, 7558642, 9718254, 11337963, 22675926, 34013889, 68027778]

約数ペア:

[(1, 68027778), (2, 34013889), (3, 22675926), (6, 11337963), (7, 9718254), (9, 7558642), (13, 5232906), (14, 4859127), (17, 4001634), (18, 3779321), (21, 3239418), (26, 2616453), (34, 2000817), (39, 1744302), (42, 1619709), (49, 1388322), (51, 1333878), (63, 1079806), (78, 872151), (91, 747558), (98, 694161), (102, 666939), (117, 581434), (119, 571662), (126, 539903), (147, 462774), (153, 444626), (182, 373779), (221, 307818), (234, 290717), (238, 285831), (273, 249186), (294, 231387), (306, 222313), (349, 194922), (357, 190554), (441, 154258), (442, 153909), (546, 124593), (637, 106794), (663, 102606), (698, 97461), (714, 95277), (819, 83062), (833, 81666), (882, 77129), (1047, 64974), (1071, 63518), (1274, 53397), (1326, 51303), (1547, 43974), (1638, 41531), (1666, 40833), (1911, 35598), (1989, 34202), (2094, 32487), (2142, 31759), (2443, 27846), (2499, 27222), (3094, 21987), (3141, 21658), (3822, 17799), (3978, 17101), (4537, 14994), (4641, 14658), (4886, 13923), (4998, 13611), (5733, 11866), (5933, 11466), (6282, 10829), (7329, 9282), (7497, 9074)]