389615908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{124717}}^1$

素因数の和:124803

約数の個数: 24

約数和(自身を含む): 754294464

約数和(自身を除く): 364678556

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 124717, 249434, 498868, 1371887, 2743774, 5487548, 8854907, 17709814, 35419628, 97403977, 194807954, 389615908]

約数ペア:

[(1, 389615908), (2, 194807954), (4, 97403977), (11, 35419628), (22, 17709814), (44, 8854907), (71, 5487548), (142, 2743774), (284, 1371887), (781, 498868), (1562, 249434), (3124, 124717)]