205955554

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{40751}}^1$

素因数の和:40798

約数の個数: 24

約数和(自身を含む): 372636288

約数和(自身を除く): 166680734

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 5054, 40751, 81502, 285257, 570514, 774269, 1548538, 5419883, 10839766, 14711111, 29422222, 102977777, 205955554]

約数ペア:

[(1, 205955554), (2, 102977777), (7, 29422222), (14, 14711111), (19, 10839766), (38, 5419883), (133, 1548538), (266, 774269), (361, 570514), (722, 285257), (2527, 81502), (5054, 40751)]