28489318276

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{15077}}^1$

素因数の和:15193

約数の個数: 72

約数和(自身を含む): 56032260480

約数和(自身を除く): 27542942204

約数列:

[1, 2, 4, 19, 23, 38, 46, 47, 76, 92, 94, 188, 437, 529, 874, 893, 1058, 1081, 1748, 1786, 2116, 2162, 3572, 4324, 10051, 15077, 20102, 20539, 24863, 30154, 40204, 41078, 49726, 60308, 82156, 99452, 286463, 346771, 472397, 572926, 693542, 708619, 944794, 1145852, 1387084, 1417238, 1889588, 2834476, 6588649, 7975733, 13177298, 13463761, 15951466, 16298237, 26354596, 26927522, 31902932, 32596474, 53855044, 65192948, 151538927, 303077854, 309666503, 374859451, 606155708, 619333006, 749718902, 1238666012, 1499437804, 7122329569, 14244659138, 28489318276]

約数ペア:

[(1, 28489318276), (2, 14244659138), (4, 7122329569), (19, 1499437804), (23, 1238666012), (38, 749718902), (46, 619333006), (47, 606155708), (76, 374859451), (92, 309666503), (94, 303077854), (188, 151538927), (437, 65192948), (529, 53855044), (874, 32596474), (893, 31902932), (1058, 26927522), (1081, 26354596), (1748, 16298237), (1786, 15951466), (2116, 13463761), (2162, 13177298), (3572, 7975733), (4324, 6588649), (10051, 2834476), (15077, 1889588), (20102, 1417238), (20539, 1387084), (24863, 1145852), (30154, 944794), (40204, 708619), (41078, 693542), (49726, 572926), (60308, 472397), (82156, 346771), (99452, 286463)]