399271544

素因数分解:

$2^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{41213}}^1$

素因数の和:41399

約数の個数: 32

約数和(自身を含む): 860548320

約数和(自身を除く): 461276776

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 173, 346, 692, 1211, 1384, 2422, 4844, 9688, 41213, 82426, 164852, 288491, 329704, 576982, 1153964, 2307928, 7129849, 14259698, 28519396, 49908943, 57038792, 99817886, 199635772, 399271544]

約数ペア:

[(1, 399271544), (2, 199635772), (4, 99817886), (7, 57038792), (8, 49908943), (14, 28519396), (28, 14259698), (56, 7129849), (173, 2307928), (346, 1153964), (692, 576982), (1211, 329704), (1384, 288491), (2422, 164852), (4844, 82426), (9688, 41213)]