219391207

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{6047}}^1$

素因数の和:6198

約数の個数: 16

約数和(自身を含む): 257789952

約数和(自身を除く): 38398745

約数列:

[1, 7, 71, 73, 497, 511, 5183, 6047, 36281, 42329, 429337, 441431, 3005359, 3090017, 31341601, 219391207]

約数ペア:

[(1, 219391207), (7, 31341601), (71, 3090017), (73, 3005359), (497, 441431), (511, 429337), (5183, 42329), (6047, 36281)]