217951628

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 412521984

約数和(自身を除く): 194570356

約数列:

[1, 2, 4, 17, 34, 68, 97, 173, 191, 194, 346, 382, 388, 692, 764, 1649, 2941, 3247, 3298, 5882, 6494, 6596, 11764, 12988, 16781, 18527, 33043, 33562, 37054, 66086, 67124, 74108, 132172, 285277, 314959, 561731, 570554, 629918, 1123462, 1141108, 1259836, 2246924, 3205171, 6410342, 12820684, 54487907, 108975814, 217951628]

約数ペア:

[(1, 217951628), (2, 108975814), (4, 54487907), (17, 12820684), (34, 6410342), (68, 3205171), (97, 2246924), (173, 1259836), (191, 1141108), (194, 1123462), (346, 629918), (382, 570554), (388, 561731), (692, 314959), (764, 285277), (1649, 132172), (2941, 74108), (3247, 67124), (3298, 66086), (5882, 37054), (6494, 33562), (6596, 33043), (11764, 18527), (12988, 16781)]