209121646

素因数分解:

$2^1\times {\mathrm{307}}^1\times {\mathrm{421}}^1\times {\mathrm{809}}^1$

素因数の和:1539

約数の個数: 16

約数和(自身を含む): 315841680

約数和(自身を除く): 106720034

約数列:

[1, 2, 307, 421, 614, 809, 842, 1618, 129247, 248363, 258494, 340589, 496726, 681178, 104560823, 209121646]

約数ペア:

[(1, 209121646), (2, 104560823), (307, 681178), (421, 496726), (614, 340589), (809, 258494), (842, 248363), (1618, 129247)]