247354146

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:169

約数の個数: 144

約数和(自身を含む): 623031552

約数和(自身を除く): 375677406

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 43, 61, 62, 78, 86, 93, 117, 122, 129, 169, 183, 186, 234, 258, 279, 338, 366, 387, 403, 507, 549, 558, 559, 774, 793, 806, 1014, 1098, 1118, 1209, 1333, 1521, 1586, 1677, 1891, 2379, 2418, 2623, 2666, 3042, 3354, 3627, 3782, 3999, 4758, 5031, 5239, 5246, 5673, 7137, 7254, 7267, 7869, 7998, 10062, 10309, 10478, 11346, 11997, 14274, 14534, 15717, 15738, 17019, 17329, 20618, 21801, 23607, 23994, 24583, 30927, 31434, 34038, 34099, 34658, 43602, 47151, 47214, 49166, 51987, 61854, 65403, 68198, 73749, 81313, 92781, 94302, 102297, 103974, 130806, 147498, 155961, 162626, 185562, 204594, 221247, 225277, 243939, 306891, 311922, 319579, 442494, 443287, 450554, 487878, 613782, 639158, 675831, 731817, 886574, 958737, 1057069, 1329861, 1351662, 1463634, 1917474, 2027493, 2114138, 2659722, 2876211, 3171207, 3989583, 4054986, 5752422, 6342414, 7979166, 9513621, 13741897, 19027242, 27483794, 41225691, 82451382, 123677073, 247354146]

約数ペア:

[(1, 247354146), (2, 123677073), (3, 82451382), (6, 41225691), (9, 27483794), (13, 19027242), (18, 13741897), (26, 9513621), (31, 7979166), (39, 6342414), (43, 5752422), (61, 4054986), (62, 3989583), (78, 3171207), (86, 2876211), (93, 2659722), (117, 2114138), (122, 2027493), (129, 1917474), (169, 1463634), (183, 1351662), (186, 1329861), (234, 1057069), (258, 958737), (279, 886574), (338, 731817), (366, 675831), (387, 639158), (403, 613782), (507, 487878), (549, 450554), (558, 443287), (559, 442494), (774, 319579), (793, 311922), (806, 306891), (1014, 243939), (1098, 225277), (1118, 221247), (1209, 204594), (1333, 185562), (1521, 162626), (1586, 155961), (1677, 147498), (1891, 130806), (2379, 103974), (2418, 102297), (2623, 94302), (2666, 92781), (3042, 81313), (3354, 73749), (3627, 68198), (3782, 65403), (3999, 61854), (4758, 51987), (5031, 49166), (5239, 47214), (5246, 47151), (5673, 43602), (7137, 34658), (7254, 34099), (7267, 34038), (7869, 31434), (7998, 30927), (10062, 24583), (10309, 23994), (10478, 23607), (11346, 21801), (11997, 20618), (14274, 17329), (14534, 17019), (15717, 15738)]