78219414

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^2$

素因数の和:151

約数の個数: 144

約数和(自身を含む): 225100512

約数和(自身を除く): 146881098

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 34, 39, 42, 51, 53, 63, 78, 91, 102, 106, 117, 119, 126, 153, 159, 182, 221, 234, 238, 273, 306, 318, 357, 371, 442, 477, 546, 663, 689, 714, 742, 819, 901, 954, 1071, 1113, 1326, 1378, 1547, 1638, 1802, 1989, 2067, 2142, 2226, 2703, 2809, 3094, 3339, 3978, 4134, 4641, 4823, 5406, 5618, 6201, 6307, 6678, 8109, 8427, 9282, 9646, 11713, 12402, 12614, 13923, 14469, 16218, 16854, 18921, 19663, 23426, 25281, 27846, 28938, 35139, 36517, 37842, 39326, 43407, 47753, 50562, 56763, 58989, 70278, 73034, 81991, 86814, 95506, 105417, 109551, 113526, 117978, 143259, 163982, 176967, 210834, 219102, 245973, 255619, 286518, 328653, 334271, 353934, 429777, 491946, 511238, 620789, 657306, 668542, 737919, 766857, 859554, 1002813, 1241578, 1475838, 1533714, 1862367, 2005626, 2300571, 3008439, 3724734, 4345523, 4601142, 5587101, 6016878, 8691046, 11174202, 13036569, 26073138, 39109707, 78219414]

約数ペア:

[(1, 78219414), (2, 39109707), (3, 26073138), (6, 13036569), (7, 11174202), (9, 8691046), (13, 6016878), (14, 5587101), (17, 4601142), (18, 4345523), (21, 3724734), (26, 3008439), (34, 2300571), (39, 2005626), (42, 1862367), (51, 1533714), (53, 1475838), (63, 1241578), (78, 1002813), (91, 859554), (102, 766857), (106, 737919), (117, 668542), (119, 657306), (126, 620789), (153, 511238), (159, 491946), (182, 429777), (221, 353934), (234, 334271), (238, 328653), (273, 286518), (306, 255619), (318, 245973), (357, 219102), (371, 210834), (442, 176967), (477, 163982), (546, 143259), (663, 117978), (689, 113526), (714, 109551), (742, 105417), (819, 95506), (901, 86814), (954, 81991), (1071, 73034), (1113, 70278), (1326, 58989), (1378, 56763), (1547, 50562), (1638, 47753), (1802, 43407), (1989, 39326), (2067, 37842), (2142, 36517), (2226, 35139), (2703, 28938), (2809, 27846), (3094, 25281), (3339, 23426), (3978, 19663), (4134, 18921), (4641, 16854), (4823, 16218), (5406, 14469), (5618, 13923), (6201, 12614), (6307, 12402), (6678, 11713), (8109, 9646), (8427, 9282)]