81771356

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{463}}^1\times {\mathrm{659}}^1$

素因数の和:1193

約数の個数: 24

約数和(自身を含む): 145770240

約数和(自身を除く): 63998884

約数列:

[1, 2, 4, 67, 134, 268, 463, 659, 926, 1318, 1852, 2636, 31021, 44153, 62042, 88306, 124084, 176612, 305117, 610234, 1220468, 20442839, 40885678, 81771356]

約数ペア:

[(1, 81771356), (2, 40885678), (4, 20442839), (67, 1220468), (134, 610234), (268, 305117), (463, 176612), (659, 124084), (926, 88306), (1318, 62042), (1852, 44153), (2636, 31021)]