208656872

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{636149}}^1$

素因数の和:636196

約数の個数: 16

約数和(自身を含む): 400774500

約数和(自身を除く): 192117628

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 636149, 1272298, 2544596, 5089192, 26082109, 52164218, 104328436, 208656872]

約数ペア:

[(1, 208656872), (2, 104328436), (4, 52164218), (8, 26082109), (41, 5089192), (82, 2544596), (164, 1272298), (328, 636149)]