216473868

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:444

約数の個数: 144

約数和(自身を含む): 624239616

約数和(自身を除く): 407765748

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 43, 52, 62, 78, 86, 93, 117, 124, 129, 156, 172, 186, 234, 258, 279, 347, 372, 387, 403, 468, 516, 558, 559, 694, 774, 806, 1041, 1116, 1118, 1209, 1333, 1388, 1548, 1612, 1677, 2082, 2236, 2418, 2666, 3123, 3354, 3627, 3999, 4164, 4511, 4836, 5031, 5332, 6246, 6708, 7254, 7998, 9022, 10062, 10757, 11997, 12492, 13533, 14508, 14921, 15996, 17329, 18044, 20124, 21514, 23994, 27066, 29842, 32271, 34658, 40599, 43028, 44763, 47988, 51987, 54132, 59684, 64542, 69316, 81198, 89526, 96813, 103974, 129084, 134289, 139841, 155961, 162396, 179052, 193626, 193973, 207948, 268578, 279682, 311922, 387252, 387946, 419523, 462551, 537156, 559364, 581919, 623844, 775892, 839046, 925102, 1163838, 1258569, 1387653, 1678092, 1745757, 1850204, 2327676, 2517138, 2775306, 3491514, 4162959, 5034276, 5550612, 6013163, 6983028, 8325918, 12026326, 16651836, 18039489, 24052652, 36078978, 54118467, 72157956, 108236934, 216473868]

約数ペア:

[(1, 216473868), (2, 108236934), (3, 72157956), (4, 54118467), (6, 36078978), (9, 24052652), (12, 18039489), (13, 16651836), (18, 12026326), (26, 8325918), (31, 6983028), (36, 6013163), (39, 5550612), (43, 5034276), (52, 4162959), (62, 3491514), (78, 2775306), (86, 2517138), (93, 2327676), (117, 1850204), (124, 1745757), (129, 1678092), (156, 1387653), (172, 1258569), (186, 1163838), (234, 925102), (258, 839046), (279, 775892), (347, 623844), (372, 581919), (387, 559364), (403, 537156), (468, 462551), (516, 419523), (558, 387946), (559, 387252), (694, 311922), (774, 279682), (806, 268578), (1041, 207948), (1116, 193973), (1118, 193626), (1209, 179052), (1333, 162396), (1388, 155961), (1548, 139841), (1612, 134289), (1677, 129084), (2082, 103974), (2236, 96813), (2418, 89526), (2666, 81198), (3123, 69316), (3354, 64542), (3627, 59684), (3999, 54132), (4164, 51987), (4511, 47988), (4836, 44763), (5031, 43028), (5332, 40599), (6246, 34658), (6708, 32271), (7254, 29842), (7998, 27066), (9022, 23994), (10062, 21514), (10757, 20124), (11997, 18044), (12492, 17329), (13533, 15996), (14508, 14921)]