209519238

素因数分解:

$2^1\times 3^1\times {\mathrm{251}}^1\times {\mathrm{139123}}^1$

素因数の和:139379

約数の個数: 16

約数和(自身を含む): 420710976

約数和(自身を除く): 211191738

約数列:

[1, 2, 3, 6, 251, 502, 753, 1506, 139123, 278246, 417369, 834738, 34919873, 69839746, 104759619, 209519238]

約数ペア:

[(1, 209519238), (2, 104759619), (3, 69839746), (6, 34919873), (251, 834738), (502, 417369), (753, 278246), (1506, 139123)]