81398944

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3257}}^1$

素因数の和:3349

約数の個数: 48

約数和(自身を含む): 177339456

約数和(自身を除く): 95940512

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 71, 88, 142, 176, 284, 352, 568, 781, 1136, 1562, 2272, 3124, 3257, 6248, 6514, 12496, 13028, 24992, 26056, 35827, 52112, 71654, 104224, 143308, 231247, 286616, 462494, 573232, 924988, 1146464, 1849976, 2543717, 3699952, 5087434, 7399904, 10174868, 20349736, 40699472, 81398944]

約数ペア:

[(1, 81398944), (2, 40699472), (4, 20349736), (8, 10174868), (11, 7399904), (16, 5087434), (22, 3699952), (32, 2543717), (44, 1849976), (71, 1146464), (88, 924988), (142, 573232), (176, 462494), (284, 286616), (352, 231247), (568, 143308), (781, 104224), (1136, 71654), (1562, 52112), (2272, 35827), (3124, 26056), (3257, 24992), (6248, 13028), (6514, 12496)]