289345945

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{116437}}^1$

素因数の和:116520

約数の個数: 16

約数和(自身を含む): 402409728

約数和(自身を除く): 113063783

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 116437, 582185, 815059, 4075295, 8267027, 41335135, 57869189, 289345945]

約数ペア:

[(1, 289345945), (5, 57869189), (7, 41335135), (35, 8267027), (71, 4075295), (355, 815059), (497, 582185), (2485, 116437)]